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Document and Entity Information - shares	3 Months Ended
Jun. 30, 2016	Jul. 31, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Trading Symbol	pdvw
Entity Registrant Name	pdvWireless, Inc.
Entity Central Index Key	0001304492
Current Fiscal Year End Date	--03-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		14,307,012

Consolidated Balance Sheets - USD ($)	Jun. 30, 2016	Mar. 31, 2016
Current Assets
Cash and cash equivalents	$ 143,181,931	$ 153,462,865
Accounts receivable, net of allowance for doubtful accounts	590,594	528,283
Inventory	55,750	93,203
Prepaid expenses and other current assets	785,296	906,952
Total current assets	144,613,571	154,991,303
Property and equipment	14,970,448	15,119,766
Intangible assets	104,225,744	103,655,459
Capitalized patent costs, net	220,297	222,359
Other assets	332,683	60,073
Total assets	264,362,743	274,048,960
Current liabilities
Accounts payable and accrued expenses	2,632,261	3,780,697
Accounts payable - officers	19,532	44,159
Current portion of note payable	494,545	494,545
Deferred revenue	798,630	744,605
Total current liabilities	3,944,968	5,064,006
Noncurrent liabilities
Long term portion of note payable	497,265	497,265
Deferred Revenue	5,616,666	5,647,773
Other liabilities	804,878	654,536
Total liabilities	10,863,777	11,863,580
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized and no shares outstanding at June 30, 2016 and March 31, 2016
Common stock, $0.0001 par value per share, 100,000,000 shares authorized and 14,300,790 shares issued and outstanding at June 30, 2016 and March 31, 2016	1,438	1,438
Additional paid-in capital	327,034,670	325,669,088
Accumulated deficit	(73,537,142)	(63,485,146)
Total stockholders' equity	253,498,966	262,185,380
Total liabilities and stockholders' equity	$ 264,362,743	$ 274,048,960

Consolidated Statements of Operations - USD ($)	3 Months Ended
Consolidated Statements of Operations - USD ($)	Jun. 30, 2016	Jun. 30, 2015
Operating revenues
Service revenue	$ 765,305	$ 648,662
Spectrum lease revenue	182,186	182,186
Other revenue	98,291	10,012
Total operating revenues	1,045,782	840,860
Cost of revenue
Sales and service	1,583,780	375,174
Gross profit (loss)	(537,998)	465,686
Operating expenses
General and administrative	7,746,001	3,722,406
Sales and support	1,216,241	811,675
Product development	572,921	304,897
Total operating expenses	9,535,163	4,838,978
Loss from operations	(10,073,161)	(4,373,292)
Interest expense	(1,364)
Interest income	22,529	22,220
Net loss	$ (10,051,996)	$ (4,351,072)
Net loss per common share basic and diluted	$ (0.70)	$ (0.32)
Weighted-average common shares used to compute basic and diluted net loss per share	14,375,466	13,492,560

Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
Consolidated Statements of Cash Flows - USD ($)	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (10,051,996)	$ (4,351,072)
Adjustments to reconcile net loss to net cash used by operating activities
Depreciation and amortization	486,706	49,090
Non-cash compensation expense attributable to stock awards	1,365,582	1,349,634
Changes in operating assets and liabilities
Accounts receivable	(62,311)	(8,462)
Inventory	37,453
Prepaid expenses and other assets	(150,954)	(103,255)
Accounts payable and accrued expenses	(1,148,436)	(4,205,582)
Accounts payable - officers	(24,627)	(24,940)
Deferred revenue	(190,557)	(181,866)
Other liabilities	136,687	62,493
Net cash flows used by operating activities	(9,602,453)	(7,413,960)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of intangible assets	(302,314)
Purchases of equipment	(375,106)	(1,398,746)
Payments for patent costs	(1,061)	(1,744)
Net cash used by investing activities	(678,481)	(1,400,490)
CASH FLOWS FROM FINANCING ACTIVITIES
Net proceeds from follow-on offering		64,792,220
Net cash provided from financing activities		64,792,220
Net change in cash and cash equivalents	(10,280,934)	55,977,770
CASH AND CASH EQUIVALENTS
Beginning of the year	153,462,865	119,873,668
End of the year	$ 143,181,931	$ 175,851,438

Nature of Operations

3 Months Ended

Jun. 30, 2016

Nature of Operations [Abstract]

Nature of Operations

1. Nature of Operations

pdvWireless, Inc. (formerly known as Pacific DataVision, Inc., the “Company”) is a private wireless communications carrier and provider of mobile workforce communications and location based solutions that increase the productivity of its customers’ field-based workers and the efficiency of their dispatch and call center operations. The Company has commenced launching private push-to-talk (“PTT”) networks in major markets throughout the United States. Its proprietary and industry-validated suite of mobile communications and workforce management applications improve team communication and field documentation across a wide array of industries, including transportation, distribution, construction, hospitality, waste management and field services. At the same time, the Company is pursuing a number of broadband spectrum opportunities and initiatives, including but not limited to, a Federal Communications Commission (“FCC”) regulatory process aimed at the realignment of its spectrum to be able to deploy broadband technologies to enterprises.

The Company is currently deploying and operating dedicated, wide-area, enhanced two-way radio networks that offer PTT communications services to primarily dispatch-centric, small and medium-sized businesses. In June 2015, the Company commercially launched its PTT service, which it markets as DispatchPlus™, in the greater, Houston, Texas metropolitan area. The Company commenced service in six additional major metropolitan markets during fiscal 2016, including: Dallas, Atlanta, Philadelphia, Chicago, the greater New York area and Baltimore/Washington.

The Company offers its DispatchPlus communications solutions, which combines pdvConnect™, its proprietary suite of mobile communication and workforce management applications, with state-of-the-art digital network architecture and mobile devices supplied by Motorola Solutions, Inc. and its subsidiaries (“Motorola”). Developed for dispatch-centric businesses, pdvConnect is an easy to use and efficient mobile communication and workforce management solutions that enables businesses to locate and communicate with their field workers and improve the documentation of work events and job status. Also built with the commercial dispatch user in mind, Motorola’s digital network architecture allows the Company to provide highly reliable, instant and wide-area PTT communication services to its customers.

The Company expects that its DispatchPlus business will become its principal near-term operating business. The Company primarily markets its DispatchPlus service to customers indirectly through third-party dealers selected from Motorola’s nationwide dealer network and other select wireless dealers. The Company supports its indirect sales representatives by providing them with training, marketing and advertising support from its internal sales and marketing team. The Company enters into contracts directly with end users of its DispatchPlus communication solutions, including those introduced to it through its indirect dealer network.

Concurrently with launching its DispatchPlus business, the Company is pursuing initiatives to increase the efficiency and capacity of its spectrum licenses, including filing (together with the Enterprise Wireless Alliance) a Joint Petition for Rulemaking with the FCC proposing a realignment of a portion of the 900 MHz spectrum from narrowband to broadband. The Company has responded to all requests for information from the FCC and other interested parties, and it is currently awaiting FCC action. The FCC’s action may take a number of forms ranging from: a Notice of Proposed Rulemaking, to a Notice of Inquiry, to a dismissal of the Joint Petition without further action. The FCC has not announced a decision on the Joint Petition. The Company currently believes that the most likely outcome is that the FCC will adopt a Notice of Inquiry as the next step in the process. A Notice of Inquiry is a vehicle for the FCC to gather additional information for the record. If the FCC elects to adopt a Notice of Inquiry, it could request additional information and input on the optimal use of the 900 MHz band generally. A Notice of Inquiry could also request information on the specific issues and proposed solutions raised by us and other commentators in the proceeding. The adoption of a Notice of Inquiry does not mean that the FCC has accepted or denied the Joint Petition, or that the Joint Petition will or will not ultimately result in a Notice of Proposed Rulemaking. The Company continues to believe in the merits of its proposal, and that the Joint Petition is consistent with the FCC’s past practices and policies. Nevertheless, obtaining a favorable result from the FCC may take a significant amount of time and resources. Moreover, there is no assurance that the FCC will adopt the proposed rules, or ultimately approve the Company’s Joint Petition.

In addition to this regulatory action, the Company is also pursuing a number of broadband and additional spectrum and wireless service opportunities, including:

acquiring additional spectrum to support its realignment efforts and the deployment of a future broadband network;

attempting to build consensus with incumbents in the 900 MHz band;

developing a strategic plan for its future deployment of a broadband or other wireless services in the 900 MHz band; and

evaluating the existing technologies and equipment that can be used to support its spectrum initiatives.

In addition to the Company’s opportunities in the 900 MHz band, it is pursuing additional spectrum and related wireless service opportunities. The potential opportunities the Company has been exploring include participating in the First Responder Network Authority (“FirstNet”) RFP process. This opportunity involves government plans and a related process to provide use of spectrum and a substantial amount of funding for the build-out and operation of a dedicated Nationwide Public Safety Broadband Network (“NPSBN”) that also may be used, on a non-priority, excess capacity basis, to meet the wireless service needs of commercial customers. There is no assurance, however, that the Company will be successful in its pursuit of the FirstNet RFP or any other spectrum opportunities that it identifies and attempts to pursue.

Prior to acquiring its 900 MHz spectrum, the Company was engaged in the development and sale of its wireless communications applications, marketed primarily under the name pdvConnect. The Company primarily offers these applications indirectly to the end users of two Tier I wireless communications carriers in the United States and, until July 2015, one international wireless communications carrier under licensing agreements between the Company and these carriers. The Company also offers these applications directly to end users.

The Company was originally incorporated in California in 1997, and reincorporated in Delaware in 2014. In November 2015, the Company changed its name from Pacific DataVision, Inc. to pdvWireless, Inc. The Company maintains offices in Woodland Park, New Jersey, Reston, Virginia and San Diego, California. It also maintains a sales office in West Conshohocken, Pennsylvania.

Summary of Significant Accounting Policies	3 Months Ended
Summary of Significant Accounting Policies	Jun. 30, 2016
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Significant Accounting Policies Basis of Presentation and Use of Estimates The consolidated financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”), which require management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The most significant estimates relate to allowance for doubtful accounts, estimated useful lives of depreciable assets, asset retirement obligations, the carrying amount of long-lived assets under construction in process, valuation allowance on the Company’s deferred tax assets, and recoverability of intangible assets. The Company is also required to make certain estimates with regard to the valuation of awards and forfeiture rates for its share-based award programs. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the financial statements in the applicable period accordingly, actual results could differ from those estimates. The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries, including PDV Spectrum Holding Company, LLC formed in April 2014. All significant intercompany accounts and transactions have been eliminated in consolidation. The accompanying consolidated financial statements as of June 30, 2016 and for the three month periods ended June 30, 2016 and 2015 are unaudited. These unaudited financial statements have been prepared in accordance with US GAAP for interim financial information and are presented in accordance with the requirements of Regulation S-X promulgated by the Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all the information and footnotes required by US GAAP for complete financial statements. Certain information and disclosures normally included in financial statements prepared in accordance with US GAAP have been condensed or omitted pursuant to such rules and regulations. However, the Company believes that the disclosures included herein are adequate to make the information presented not misleading and all adjustments considered necessary for a fair presentation have been included. In the opinion of management, the Company’s results for the three months ended June 30, 2016 are not necessarily indicative of the results to be expected for the full year or any future financial period. Reclassifications Certain prior year amounts have been reclassified to conform to the presentation of the corresponding amounts in the financial statements for the three months ended June 30, 2016. These reclassifications had no effect on previously reported results of operations, cash flows, assets, liabilities or equity for the years presented. Cash and Cash Equivalents All highly liquid investments with maturities of three months or less at the time of purchase are considered cash equivalents. Cash equivalents are stated at cost, which approximates the quoted market value and include amounts held in money market funds. Allowance for Doubtful Accounts An allowance for uncollectible receivables is estimated based on a combination of write-off history, aging analysis and any specific known troubled accounts. The Company reviews its allowance for uncollectible receivables on a quarterly basis. Past due balances meeting specific criteria are reviewed individually for collectability. At June 30, 2016 and March 31, 2016, management provided an allowance of $7,266 and $2,633, respectively, for certain slow paying accounts. Property and Equipment Property and equipment is stated at cost. Depreciation is computed using the straight-line method over the shorter of the estimated useful lives of the assets or the applicable lease term. The carrying amount at the balance sheet date of long-lived assets under construction in process include construction costs to date on capital projects that have not been completed, assets being constructed that are not ready to be placed into service, and assets that are not currently in service. These costs are transferred to property and equipment when substantially all of the activities necessary to prepare the assets for their intended use are completed. Depreciation commences upon completion. Accounting for Asset Retirement Obligations An asset retirement obligation is evaluated and recorded as appropriate on assets for which the Company has a legal obligation to retire. The Company records a liability for an asset retirement obligation and the associated asset retirement cost at the time the underlying asset is acquired and put into service. Subsequent to the initial measurement of the asset retirement obligation, the obligation is adjusted at the end of each period to reflect the passage of time and changes in the estimated future cash flows underlying the obligation, if any. The Company enters into long-term leasing arrangements primarily for tower site locations. The Company constructs assets at these locations and, in accordance with the terms of many of these agreements, the Company is obligated to restore the premises to their original condition at the conclusion of the agreements, generally at the demand of the other party to these agreements. The Company recognizes the fair value of a liability for an asset retirement obligation and capitalizes that cost as part of the cost basis of the related asset, depreciating it over the useful life of the related asset. As of June 30, 2016, the Company had an asset retirement obligation of $217,201. Intangible Assets Intangible assets are wireless licenses that will be used to provide the Company with the exclusive right to utilize designated radio frequency spectrum to provide wireless communication services. While licenses are issued for only a fixed time, generally ten years, such licenses are subject to renewal by the FCC. License renewals have occurred routinely and at nominal cost in the past. There are currently no legal, regulatory, contractual, competitive, economic or other factors that limit the useful life of the Company’s wireless licenses. As a result, the Company has determined that the wireless licenses should be treated as an indefinite-lived intangible asset. The Company will evaluate the useful life determination for its wireless licenses each year to determine whether events and circumstances continue to support their treatment as an indefinite useful life asset. The licenses are tested for impairment on an aggregate basis, as the Company will be utilizing the wireless licenses on an integrated basis as part of developing its nationwide network. The Company considers estimates of valuation methods to perform the test of the fair values of the wireless licenses annually using a discounted cash flow approach. Long-Lived Asset Impairment The Company evaluates long-lived assets, other than intangible assets with indefinite lives, for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Asset groups are determined at the lowest level for which identifiable cash flows are largely independent of cash flows of other groups of assets and liabilities. When the carrying amount of a long-lived asset group is not recoverable and exceeds its fair value, an impairment loss is recognized equal to the excess of the asset group’s carrying value over the estimated fair value. Revenue Recognition The Company recognizes revenue in the period that persuasive evidence of an arrangement exists, delivery of the product has occurred or services have been rendered, it is able to determine the amount of revenue and when the collection of such amount is considered probable. In accordance with the guidance provided in Accounting Standards Codification (“ASC”) Topic 605-45-45, Revenue Recognition – Principal Agent Considerations, the Company has determined that it is the primary obligor with respect to the service revenue derived from sales of the Company’s software applications through its Tier I domestic carrier partners. As a result, revenue is recorded at the gross amount billed to end-user customers for sales through these carrier partners. The Company recognized service revenue for its international carrier (which business relationship terminated in July 2015) on the net amount billed since it has determined that it is not the primary obligor. The Company also sells service and applications directly to end-users, which are billed and collected directly by the Company. In September 2014, Motorola paid the Company an upfront, fully-paid leasing fee of $7.5 million in order to lease a portion of the Company’s wireless spectrum licenses. The payment of the fee is accounted for as deferred revenue on the Company’s Consolidated Balance Sheets. The Company recognizes leasing revenue in accordance with ASC Topic 840, Leases. The fee is amortized using the straight-line method over the lease term of approximately ten years, which represents the time period in which the benefits of the leased property are expected to be depleted. The Company evaluates certain transactions for its DispatchPlus service offering to determine whether they should be viewed as a Multiple Element Arrangement as provided in ASC Topic 605-25. Judgment is required to properly identify the accounting units of the multiple deliverable transactions and to determine the manner in which revenue should be allocated among the units of accounting. Multiple deliverable arrangements are presumed to be bundled transactions, and the total consideration is measured and allocated to the separate transactions based on their relative selling price with certain limitations. The relative selling price for each deliverable is determined using vendor-specific objective evidence (“VSOE”) of selling price or third party evidence of selling price if VSOE does not exist. If neither VSOE nor third party evidence of selling price exist, the Company uses its best estimate of the selling price for the deliverable. The Company has determined that the rental of user devices in connection with service contracts for its DispatchPlus service are multiple deliverable arrangements. Cost of Revenue The Company’s cost of revenue relating to sales of its software applications through its wireless carrier partners includes the portion of service revenue retained by its domestic Tier 1 carrier partners pursuant to its agreements with these parties, which may include network services, connectivity, SMS service, sales, marketing, billing and other ancillary services. With respect to its recently launched DispatchPlus service offering, the Company’s cost of revenue includes the costs of operating its dispatch network and its cloud-based solutions and to a lesser degree, the costs associated with the sales of the relevant user devices. Stock Compensation The Company accounts for stock options in accordance with US GAAP, which requires the measurement and recognition of compensation expense, based on the estimated fair value of awards granted to employees and directors. The Company estimates the fair value of share-based awards on the date of grant using an option-pricing model. The value of the portion of the award that is ultimately expected to vest is recognized as expense in the Company’s statements of operations over the requisite service periods. In the event the participant’s employment by or engagement with (as a director or otherwise) the Company terminates before exercise of the options granted, the stock options granted to the participant shall immediately expire and all rights to purchase shares thereunder shall immediately cease and expire and be of no further force or effect, other than applicable exercise rights for vested shares that may extend past the termination date as provided for in the participant’s applicable option award agreement. Additionally, the Compensation Committee adopted an Executive Severance Plan (the “Severance Plan”) in February 2015, and the Company subsequently entered into Severance Plan Participation Agreements with its executive officers and certain key employees. In addition to providing participants with severance payments, the Severance Plan provides for accelerated vesting and extends the exercise period for outstanding equity awards if the Company terminates a participant’s service for reasons other than cause, death or disability or the participant terminates his or her service for good reason, whether before or after a change of control (each of such terms as defined in the Severance Plan). To calculate option-based compensation, the Company uses the Black-Scholes option-pricing model. The Company’s determination of fair value of option-based awards on the date of grant using the Black-Scholes model is affected by assumptions regarding a number of subjective variables. The fair value of restricted stock, restricted stock units and performance units are measured based upon the quoted closing market price for the stock on the date of grant. The compensation cost for the restricted stock and restricted stock units is recognized on a straight-line basis over the vesting period. The compensation cost for the performance units is recognized when the performance criteria are expected to be complete. No tax benefits were attributed to the share-based compensation expense because the Company maintained a full valuation allowance for all net deferred tax assets. Net Loss Per Share of Common Stock Basic net loss per common share is calculated by dividing the net loss attributable to common stockholders by the weighted-average number of common shares outstanding during the period, without consideration for potentially dilutive securities. For purposes of the diluted net loss per share calculation, preferred stock, convertible notes payable-affiliated entities, stock options and warrants are considered to be potentially dilutive securities. Because the Company has reported a net loss for the three months ended June 30, 2016 and 2015, diluted net loss per common share is the same as basic net loss per common share for those periods. Common stock equivalents resulting from potentially dilutive securities approximated 950,000 and 900,000 at June 30, 2016 and March 31, 2016, respectively, and have not been included in the diluted weighted average shares outstanding, as their effects are anti-dilutive. Recently Issued Accounting Pronouncements In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606), ("ASU 2014-09") which supersedes current revenue recognition guidance, including most industry-specific guidance. ASU 2014-09 requires a company to recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods and services, and also requires additional disclosures regarding the nature, amount, timing and uncertainty of revenue that is recognized. The guidance, as stated in ASU 2014-09, is effective for annual and interim periods beginning after December 15, 2016. In August 2015, the FASB issued ASU No. 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date," which defers the effective date by one year, with early adoption on the original effective date permitted. The Company is evaluating the impact the new guidance will have on its consolidated financial statements and has not made any decision regarding early adoption. In August 2014, FASB issued ASU 2014-15, Presentation of Financial Statements. This ASU requires management to assess an entity’s ability to continue as a going concern by incorporating and expanding upon certain principles that are currently in the U.S. auditing standards. Specifically, the ASU (1) provides a definition of the term substantial doubt, (2) requires an evaluation every reporting period including interim periods, (3) provides principles for considering the mitigating effect of management’s plans, (4) requires certain disclosures when substantial doubt is alleviated as a result of consideration of management’s plan, (5) requires an express statement and other disclosures when substantial doubt is not alleviated, and (6) requires an assessment for a period of one year after the date that the financial statements are issued (or available to be issued). This standard is effective for the fiscal years ending after December 15, 2016, and for annual periods and interim periods thereafter. Early application is permitted. The Company is currently evaluating the new guidance to determine the impact it will have on its consolidated financial statements and has not made any decision regarding early adoption. In February 2016, the FASB issued ASU 2016-02, Leases. The ASU amends a number of aspects of lease accounting, including requiring lessees to recognize operating leases with a term greater than one year on their balance sheet as a right-of-use asset and corresponding lease liability, measured at the present value of the lease payments. The ASU also requires disclosure of key information about leasing arrangements to increase the transparency and comparability among organizations. The accounting for lessors does not fundamentally change except for changes to conform and align guidance to the lessee guidance as well as to the new revenue recognition guidance in ASU 2014-09. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. In March 2016, the FASB issued ASU 2016-09, Compensation - Stock Compensation, Improvements to Employee Share-Based Payment Accounting (Topic 718). This update is intended to provide simplification of the accounting for share based payment transactions, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. This update is effective for our fiscal year beginning April 1, 2017. Early adoption is permitted. In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. ASU 2016-10 is intended to reduce the cost and complexity of applying the guidance in the FASB's new revenue standard on identifying performance obligations, and is also intended to improve the operability and understandability of the licensing implementation guidance. The effective date for ASU 2016-10 is the same as for ASU 2014-09 Management is evaluating the impact the new guidance will have on its consolidated financial statements. Subsequent Events Evaluation by Management Management has evaluated subsequent events for disclosure and/or recognition in the financial statements through the date that these financial statements were issued.

Stock Acquisition Rights, Stock Options and Warrants

3 Months Ended

Jun. 30, 2016

Stock Acquisition Rights, Stock Options and Warrants [Abstract]

Stock Acquisition Rights, Stock Options and Warrants

9. Stock Acquisition Rights, Stock Options and Warrants

The Company established the pdvWireless, Inc. 2014 Stock Plan (the “2014 Stock Plan”) to attract, retain and reward individuals who contribute to the growth of the Company. This 2014 Stock Plan superseded previous stock plans. However, under such previous plans, 51,512 stock options remained outstanding and 51,270 stock options were vested as of June 30, 2016.

As of June 30, 2016, 2,538,234 shares of common stock were authorized and reserved for issuance under its 2014 Stock Plan. The shares authorized and reserved for issuance under the 2014 Stock Plan will continue to increase each subsequent anniversary through January 1, 2024 by an amount equal to the smaller of 5% of the number of shares of common stock issued and outstanding on the immediately preceding December 31 or a lesser amount determined by the Board of Directors.

Restricted Stock and Restricted Stock Units

A summary of restricted stock activity for the three months ended June 30, 2016 is as follows:


		Weighted
	Restricted	Average Grant
	Stock	Day Fair Value
Restricted stock at March 31, 2016	140,872	$	26.47
Granted	16,222		20.04
Forfeited	(100)		26.26
Vested	(888)		20.04
Restricted stock at June 30, 2016	156,106	$	25.84

The Company recognizes compensation expense for restricted stock on a straight line basis over the explicit vesting period. Vested restricted stock units are settled and issuable upon the earlier of the date the employee ceases to be an employee of the Company or a date certain in the future. Stock compensation expense related to restricted stock was approximately $335,000 for the three months ended June 30, 2016. There was no stock compensation expense related to restricted stock for the three months ended June 30, 2015. Stock compensation expense for restricted stock is accounted for in general and administrative expense in the Company’s Consolidated Statement of Operations. At June 30, 2016, there was $3.3 million of unvested compensation expense of the restricted stock, which is expected to be recognized over a weighted average period of 3.4 years.

Performance Stock Units

A summary of the performance stock activity for the three months ended June 30, 2016 is as follows:



		Weighted
		Average
	Performance	Grant Day
	Stock	Fair Value
Performance units at March 31, 2016	37,295	$	25.81
Granted	—		—
Forfeited	—		—
Vested	—		—
Performance units at June 30, 2016	37,295	$	25.81

The performance stock units were awarded in January 2016 and represent the number of shares of the Company’s common stock that the recipient would receive upon the Company’s attainment of the applicable performance goals. The units will vest in full upon attainment of the performance goals. Performance is based upon achievement, prior to January 13, 2020, of (A) a Final Order from the FCC providing for the creation and allocation of licenses for spectrum in the 900 MHz band consisting of paired blocks of contiguous spectrum, each containing at least 3 MHz of contiguous spectrum, authorized for broadband wireless communications uses and (B) the lack of objection by the Company's Board of Directors to the terms and conditions (including, but not limited to, the rebanding, clearing and relocation procedures, license assignment and award mechanisms, and technical and operational rules) set forth or referenced in the Final Order.

For the three months ended June 30, 2016, there was no stock compensation expense recognized for the performance units. At June 30, 2016, there was approximately $963,000 of unvested compensation expense of the performance units.

Stock Options

A summary of Stock Option activity for the three months ended June 30, 2016 is as follows:



		Weighted
		Average
	Options	Exercise Price
Options outstanding at March 31, 2016	1,693,200	$	22.91
Granted during the period	14,750		35.73
Forfeited/Exercised during the period	(5,750)		(27.18)
Options outstanding at June 30, 2016	1,702,200	$	23.01

The options to purchase shares of common stock awarded for the three months ended June 30, 2016 have a ten-year contractual life and 25% will vest on the first anniversary of grant, and the remainder will vest in three equal annual installments thereafter. Shares granted to employees are subject to vesting, future settlement conditions and other such terms as determined by the Board of Directors.

Additional information regarding Stock Options outstanding at June 30, 2016 is as follows:


										Weighted
						Weighted				Average
						Average	Weighted			Exercise Price
Exercise					Number	Remaining	Average		Options	of Shares
Prices					Outstanding	Life in Years	Exercise Price		Exercisable	Exercisable
$	13.25	-	$	20.00	1,169,618	7.81	$	19.74	578,126	$	19.48
	21.00	-		46.23	436,000	8.93		26.21	137,000		25.23
	47.10	-		72.85	96,582	8.31		48.09	28,894		48.35
					1,702,200	8.12	$	23.01	744,020	$	21.66

The Black-Scholes option model requires weighted average assumptions to be used for calculation of the Company’s stock compensation expense. The assumptions used during the three months ended June 30, 2016 were: the expected life of the awards was 5 years, the risk-free interest rate was 1.24%, the expected volatility was 46.36%, and the expected dividend yield was 0.0%. There was a 2% forfeiture rate used for the calculation.

Performance Stock Options

A summary of the Performance Stock Options as of June 30, 2016 is as follows:


	Performance Options	Weighted Average Exercise Price
Performance options outstanding at March 31, 2016	50,000	$	25.81
Performance options granted	—		—
Performance options forfeited/expired	—		—
Performance options outstanding at June 30, 2016	50,000	$	25.81

During the year ended March 31, 2016, the Company awarded an executive officer an option to purchase 50,000 shares of common stock with an exercise price of $25.81 that vests immediately upon meeting certain performance conditions. These options have a ten-year contractual life. The performance options will vest in full upon attainment of the performance goals. Performance is based upon achievement, prior to January 13, 2020, of (A) a Final Order from the FCC providing for the creation and allocation of licenses for spectrum in the 900 MHz band consisting of paired blocks of contiguous spectrum, each containing at least 3 MHz of contiguous spectrum, authorized for broadband wireless communications uses and (B) the lack of objection by the Company's Board of Directors to the terms and conditions (including, but not limited to, the rebanding, clearing and relocation procedures, license assignment and award mechanisms, and technical and operational rules) set forth or referenced in the Final Order.

Stock compensation expense related to the amortization of the fair value of stock options issued was approximately $1,030,000 and $1,350,000 for the three months ended June 30, 2016 and 2015, respectively. There was no stock compensation expense related to the performance stock options issued. Stock compensation expense is included as part of general and administrative expense in the accompanying Consolidated Statement of Operations. The weighted average fair value for the stock option awards granted during the three months ended June 30, 2016 was $14.81. As of June 30, 2016, there was approximately $5.8 million of unrecognized compensation cost related to non-vested share options granted under the Company’s stock option plans, of which $4.5 million pertains to the non-performance based stock options. The cost is expected to be recognized over a weighted-average period of 2.6 years.

Warrants

A summary of Warrant activity is as follows:



		Weighted
		Average
	Warrants	Exercise Price
Warrants outstanding at March 31, 2016	6,039	$	82.79
Expired	(6,039)		(82.79)
Warrants outstanding at June 30, 2016	—	$	-

The outstanding warrants were not exercised and expired in June 2016.

Motorola Investment

On September 15, 2014, Motorola invested $10.0 million to purchase 500,000 Class B Units of the Company’s subsidiary, PDV Spectrum Holding Company, LLC (at a price equal to $20.00 per unit). The Company owns 100% of the Class A Units in this subsidiary. Motorola has the right at any time to convert its 500,000 Class B Units into 500,000 shares of the Company’s common stock. The Company also has the right to force Motorola’s conversion of these Class B Units into shares of its common stock on the occurrence of certain corporate events or at its election after September 15, 2016. Motorola is not entitled to any assets, profits or distributions from the operations of the subsidiary. In addition, Motorola’s conversion ratio from Class B Units to shares of the Company’s common stock is fixed on a one-for-one basis, and is not dependent on the performance or valuation of either the Company or the subsidiary. The Class B Units have no redemption or call provisions and can only be converted into shares of the Company’s common stock. Management has determined that this investment does not meet the criteria for temporary equity or non-controlling interest due to the limited rights that Motorola has as a holder of Class B Units, and accordingly has presented this investment as part of its permanent equity within Additional Paid-in Capital in the accompanying consolidated financial statements.

Summary of Significant Accounting Policies (Policies)	3 Months Ended
Summary of Significant Accounting Policies (Policies)	Jun. 30, 2016
Summary of Significant Accounting Policies [Abstract]
Basis of Presentation and Use of Estimates	Basis of Presentation and Use of Estimates The consolidated financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”), which require management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The most significant estimates relate to allowance for doubtful accounts, estimated useful lives of depreciable assets, asset retirement obligations, the carrying amount of long-lived assets under construction in process, valuation allowance on the Company’s deferred tax assets, and recoverability of intangible assets. The Company is also required to make certain estimates with regard to the valuation of awards and forfeiture rates for its share-based award programs. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the financial statements in the applicable period accordingly, actual results could differ from those estimates. The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries, including PDV Spectrum Holding Company, LLC formed in April 2014. All significant intercompany accounts and transactions have been eliminated in consolidation. The accompanying consolidated financial statements as of June 30, 2016 and for the three month periods ended June 30, 2016 and 2015 are unaudited. These unaudited financial statements have been prepared in accordance with US GAAP for interim financial information and are presented in accordance with the requirements of Regulation S-X promulgated by the Securities and Exchange Commission (the “SEC”). Accordingly, they do not include all the information and footnotes required by US GAAP for complete financial statements. Certain information and disclosures normally included in financial statements prepared in accordance with US GAAP have been condensed or omitted pursuant to such rules and regulations. However, the Company believes that the disclosures included herein are adequate to make the information presented not misleading and all adjustments considered necessary for a fair presentation have been included. In the opinion of management, the Company’s results for the three months ended June 30, 2016 are not necessarily indicative of the results to be expected for the full year or any future financial period.
Reclassifications	Reclassifications Certain prior year amounts have been reclassified to conform to the presentation of the corresponding amounts in the financial statements for the three months ended June 30, 2016. These reclassifications had no effect on previously reported results of operations, cash flows, assets, liabilities or equity for the years presented.
Cash and Cash Equivalents	Cash and Cash Equivalents All highly liquid investments with maturities of three months or less at the time of purchase are considered cash equivalents. Cash equivalents are stated at cost, which approximates the quoted market value and include amounts held in money market funds.
Allowance for Doubtful Accounts	Allowance for Doubtful Accounts An allowance for uncollectible receivables is estimated based on a combination of write-off history, aging analysis and any specific known troubled accounts. The Company reviews its allowance for uncollectible receivables on a quarterly basis. Past due balances meeting specific criteria are reviewed individually for collectability. At June 30, 2016 and March 31, 2016, management provided an allowance of $7,266 and $2,633, respectively, for certain slow paying accounts.
Property and Equipment	Property and Equipment Property and equipment is stated at cost. Depreciation is computed using the straight-line method over the shorter of the estimated useful lives of the assets or the applicable lease term. The carrying amount at the balance sheet date of long-lived assets under construction in process include construction costs to date on capital projects that have not been completed, assets being constructed that are not ready to be placed into service, and assets that are not currently in service. These costs are transferred to property and equipment when substantially all of the activities necessary to prepare the assets for their intended use are completed. Depreciation commences upon completion.
Accounting for Asset Retirement Obligations	Accounting for Asset Retirement Obligations An asset retirement obligation is evaluated and recorded as appropriate on assets for which the Company has a legal obligation to retire. The Company records a liability for an asset retirement obligation and the associated asset retirement cost at the time the underlying asset is acquired and put into service. Subsequent to the initial measurement of the asset retirement obligation, the obligation is adjusted at the end of each period to reflect the passage of time and changes in the estimated future cash flows underlying the obligation, if any. The Company enters into long-term leasing arrangements primarily for tower site locations. The Company constructs assets at these locations and, in accordance with the terms of many of these agreements, the Company is obligated to restore the premises to their original condition at the conclusion of the agreements, generally at the demand of the other party to these agreements. The Company recognizes the fair value of a liability for an asset retirement obligation and capitalizes that cost as part of the cost basis of the related asset, depreciating it over the useful life of the related asset. As of June 30, 2016, the Company had an asset retirement obligation of $217,201.
Intangible Assets	Intangible Assets Intangible assets are wireless licenses that will be used to provide the Company with the exclusive right to utilize designated radio frequency spectrum to provide wireless communication services. While licenses are issued for only a fixed time, generally ten years, such licenses are subject to renewal by the FCC. License renewals have occurred routinely and at nominal cost in the past. There are currently no legal, regulatory, contractual, competitive, economic or other factors that limit the useful life of the Company’s wireless licenses. As a result, the Company has determined that the wireless licenses should be treated as an indefinite-lived intangible asset. The Company will evaluate the useful life determination for its wireless licenses each year to determine whether events and circumstances continue to support their treatment as an indefinite useful life asset. The licenses are tested for impairment on an aggregate basis, as the Company will be utilizing the wireless licenses on an integrated basis as part of developing its nationwide network. The Company considers estimates of valuation methods to perform the test of the fair values of the wireless licenses annually using a discounted cash flow approach.
Long-Lived Asset Impairment	Long-Lived Asset Impairment The Company evaluates long-lived assets, other than intangible assets with indefinite lives, for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Asset groups are determined at the lowest level for which identifiable cash flows are largely independent of cash flows of other groups of assets and liabilities. When the carrying amount of a long-lived asset group is not recoverable and exceeds its fair value, an impairment loss is recognized equal to the excess of the asset group’s carrying value over the estimated fair value.
Revenue Recognition	Revenue Recognition The Company recognizes revenue in the period that persuasive evidence of an arrangement exists, delivery of the product has occurred or services have been rendered, it is able to determine the amount of revenue and when the collection of such amount is considered probable. In accordance with the guidance provided in Accounting Standards Codification (“ASC”) Topic 605-45-45, Revenue Recognition – Principal Agent Considerations, the Company has determined that it is the primary obligor with respect to the service revenue derived from sales of the Company’s software applications through its Tier I domestic carrier partners. As a result, revenue is recorded at the gross amount billed to end-user customers for sales through these carrier partners. The Company recognized service revenue for its international carrier (which business relationship terminated in July 2015) on the net amount billed since it has determined that it is not the primary obligor. The Company also sells service and applications directly to end-users, which are billed and collected directly by the Company. In September 2014, Motorola paid the Company an upfront, fully-paid leasing fee of $7.5 million in order to lease a portion of the Company’s wireless spectrum licenses. The payment of the fee is accounted for as deferred revenue on the Company’s Consolidated Balance Sheets. The Company recognizes leasing revenue in accordance with ASC Topic 840, Leases. The fee is amortized using the straight-line method over the lease term of approximately ten years, which represents the time period in which the benefits of the leased property are expected to be depleted. The Company evaluates certain transactions for its DispatchPlus service offering to determine whether they should be viewed as a Multiple Element Arrangement as provided in ASC Topic 605-25. Judgment is required to properly identify the accounting units of the multiple deliverable transactions and to determine the manner in which revenue should be allocated among the units of accounting. Multiple deliverable arrangements are presumed to be bundled transactions, and the total consideration is measured and allocated to the separate transactions based on their relative selling price with certain limitations. The relative selling price for each deliverable is determined using vendor-specific objective evidence (“VSOE”) of selling price or third party evidence of selling price if VSOE does not exist. If neither VSOE nor third party evidence of selling price exist, the Company uses its best estimate of the selling price for the deliverable. The Company has determined that the rental of user devices in connection with service contracts for its DispatchPlus service are multiple deliverable arrangements.
Cost of Revenue	Cost of Revenue The Company’s cost of revenue relating to sales of its software applications through its wireless carrier partners includes the portion of service revenue retained by its domestic Tier 1 carrier partners pursuant to its agreements with these parties, which may include network services, connectivity, SMS service, sales, marketing, billing and other ancillary services. With respect to its recently launched DispatchPlus service offering, the Company’s cost of revenue includes the costs of operating its dispatch network and its cloud-based solutions and to a lesser degree, the costs associated with the sales of the relevant user devices.
Stock Compensation	Stock Compensation The Company accounts for stock options in accordance with US GAAP, which requires the measurement and recognition of compensation expense, based on the estimated fair value of awards granted to employees and directors. The Company estimates the fair value of share-based awards on the date of grant using an option-pricing model. The value of the portion of the award that is ultimately expected to vest is recognized as expense in the Company’s statements of operations over the requisite service periods. In the event the participant’s employment by or engagement with (as a director or otherwise) the Company terminates before exercise of the options granted, the stock options granted to the participant shall immediately expire and all rights to purchase shares thereunder shall immediately cease and expire and be of no further force or effect, other than applicable exercise rights for vested shares that may extend past the termination date as provided for in the participant’s applicable option award agreement. Additionally, the Compensation Committee adopted an Executive Severance Plan (the “Severance Plan”) in February 2015, and the Company subsequently entered into Severance Plan Participation Agreements with its executive officers and certain key employees. In addition to providing participants with severance payments, the Severance Plan provides for accelerated vesting and extends the exercise period for outstanding equity awards if the Company terminates a participant’s service for reasons other than cause, death or disability or the participant terminates his or her service for good reason, whether before or after a change of control (each of such terms as defined in the Severance Plan). To calculate option-based compensation, the Company uses the Black-Scholes option-pricing model. The Company’s determination of fair value of option-based awards on the date of grant using the Black-Scholes model is affected by assumptions regarding a number of subjective variables. The fair value of restricted stock, restricted stock units and performance units are measured based upon the quoted closing market price for the stock on the date of grant. The compensation cost for the restricted stock and restricted stock units is recognized on a straight-line basis over the vesting period. The compensation cost for the performance units is recognized when the performance criteria are expected to be complete. No tax benefits were attributed to the share-based compensation expense because the Company maintained a full valuation allowance for all net deferred tax assets.
Net Loss Per Share of Common Stock	Net Loss Per Share of Common Stock Basic net loss per common share is calculated by dividing the net loss attributable to common stockholders by the weighted-average number of common shares outstanding during the period, without consideration for potentially dilutive securities. For purposes of the diluted net loss per share calculation, preferred stock, convertible notes payable-affiliated entities, stock options and warrants are considered to be potentially dilutive securities. Because the Company has reported a net loss for the three months ended June 30, 2016 and 2015, diluted net loss per common share is the same as basic net loss per common share for those periods. Common stock equivalents resulting from potentially dilutive securities approximated 950,000 and 900,000 at June 30, 2016 and March 31, 2016, respectively, and have not been included in the diluted weighted average shares outstanding, as their effects are anti-dilutive.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606), ("ASU 2014-09") which supersedes current revenue recognition guidance, including most industry-specific guidance. ASU 2014-09 requires a company to recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods and services, and also requires additional disclosures regarding the nature, amount, timing and uncertainty of revenue that is recognized. The guidance, as stated in ASU 2014-09, is effective for annual and interim periods beginning after December 15, 2016. In August 2015, the FASB issued ASU No. 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date," which defers the effective date by one year, with early adoption on the original effective date permitted. The Company is evaluating the impact the new guidance will have on its consolidated financial statements and has not made any decision regarding early adoption. In August 2014, FASB issued ASU 2014-15, Presentation of Financial Statements. This ASU requires management to assess an entity’s ability to continue as a going concern by incorporating and expanding upon certain principles that are currently in the U.S. auditing standards. Specifically, the ASU (1) provides a definition of the term substantial doubt, (2) requires an evaluation every reporting period including interim periods, (3) provides principles for considering the mitigating effect of management’s plans, (4) requires certain disclosures when substantial doubt is alleviated as a result of consideration of management’s plan, (5) requires an express statement and other disclosures when substantial doubt is not alleviated, and (6) requires an assessment for a period of one year after the date that the financial statements are issued (or available to be issued). This standard is effective for the fiscal years ending after December 15, 2016, and for annual periods and interim periods thereafter. Early application is permitted. The Company is currently evaluating the new guidance to determine the impact it will have on its consolidated financial statements and has not made any decision regarding early adoption. In February 2016, the FASB issued ASU 2016-02, Leases. The ASU amends a number of aspects of lease accounting, including requiring lessees to recognize operating leases with a term greater than one year on their balance sheet as a right-of-use asset and corresponding lease liability, measured at the present value of the lease payments. The ASU also requires disclosure of key information about leasing arrangements to increase the transparency and comparability among organizations. The accounting for lessors does not fundamentally change except for changes to conform and align guidance to the lessee guidance as well as to the new revenue recognition guidance in ASU 2014-09. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. In March 2016, the FASB issued ASU 2016-09, Compensation - Stock Compensation, Improvements to Employee Share-Based Payment Accounting (Topic 718). This update is intended to provide simplification of the accounting for share based payment transactions, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. This update is effective for our fiscal year beginning April 1, 2017. Early adoption is permitted. In April 2016, the FASB issued ASU No. 2016-10, Revenue from Contracts with Customers: Identifying Performance Obligations and Licensing. ASU 2016-10 is intended to reduce the cost and complexity of applying the guidance in the FASB's new revenue standard on identifying performance obligations, and is also intended to improve the operability and understandability of the licensing implementation guidance. The effective date for ASU 2016-10 is the same as for ASU 2014-09 Management is evaluating the impact the new guidance will have on its consolidated financial statements.
Subsequent Events Evaluation by Management	Subsequent Events Evaluation by Management Management has evaluated subsequent events for disclosure and/or recognition in the financial statements through the date that these financial statements were issued.

Stock Acquisition Rights, Stock Options and Warrants (Tables)

3 Months Ended

Jun. 30, 2016

Stock Acquisition Rights, Stock Options and Warrants [Abstract]

Summary of Restricted Stock and Restricted Stock Units Activity


		Weighted
	Restricted	Average Grant
	Stock	Day Fair Value
Restricted stock at March 31, 2016	140,872	$	26.47
Granted	16,222		20.04
Forfeited	(100)		26.26
Vested	(888)		20.04
Restricted stock at June 30, 2016	156,106	$	25.84

Summary of Performance Stock Activity



		Weighted
		Average
	Performance	Grant Day
	Stock	Fair Value
Performance units at March 31, 2016	37,295	$	25.81
Granted	—		—
Forfeited	—		—
Vested	—		—
Performance units at June 30, 2016	37,295	$	25.81

Summary of Stock Option Activity



		Weighted
		Average
	Options	Exercise Price
Options outstanding at March 31, 2016	1,693,200	$	22.91
Granted during the period	14,750		35.73
Forfeited/Exercised during the period	(5,750)		(27.18)
Options outstanding at June 30, 2016	1,702,200	$	23.01

Schedule of Additional Information Regarding Stock Options Outstanding


										Weighted
						Weighted				Average
						Average	Weighted			Exercise Price
Exercise					Number	Remaining	Average		Options	of Shares
Prices					Outstanding	Life in Years	Exercise Price		Exercisable	Exercisable
$	13.25	-	$	20.00	1,169,618	7.81	$	19.74	578,126	$	19.48
	21.00	-		46.23	436,000	8.93		26.21	137,000		25.23
	47.10	-		72.85	96,582	8.31		48.09	28,894		48.35
					1,702,200	8.12	$	23.01	744,020	$	21.66

Summary of Performance Stock Options


	Performance Options	Weighted Average Exercise Price
Performance options outstanding at March 31, 2016	50,000	$	25.81
Performance options granted	—		—
Performance options forfeited/expired	—		—
Performance options outstanding at June 30, 2016	50,000	$	25.81

Summary of Warrant Activity



		Weighted
		Average
	Warrants	Exercise Price
Warrants outstanding at March 31, 2016	6,039	$	82.79
Expired	(6,039)		(82.79)
Warrants outstanding at June 30, 2016	—	$	-

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References + Details

Property and Equipment (Components of Property and Equipment) (Details) - USD ($)	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 13,932,446	$ 12,919,497
Less accumulated depreciation	1,878,199	1,396,119
Property and equipment, net before construction work in progress	12,054,247	11,523,378
Construction in progress	2,916,201	3,596,388
Property and equipment, net	14,970,448	15,119,766
Network Sites and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 12,081,787	11,258,725
Network Sites and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	5 years
Network Sites and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	10 years
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 911,774	860,018
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	5 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	7 years
Furniture and Fixture and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 798,196	660,065
Furniture and Fixture and Other Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	2 years
Furniture and Fixture and Other Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 140,689	$ 140,689
Leasehold Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Estimated useful life	5 years

Stock Acquisition Rights, Stock Options and Warrants (Narrative) (Details)		3 Months Ended
	Sep. 15, 2014 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares item shares	Jun. 30, 2015 USD ($)	Mar. 31, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding		1,702,200		1,693,200
Stock options issued to purchase common stock		14,750
Exercise price per share \| $ / shares		$ 35.73
Stock options, contractual life		10 years
Number of equal stock option vesting installments \| item		3
Risk-free interest rate		1.24%
Expected volatility		46.36%
Expected dividend yield		0.00%
Expected forfeiture rate		2.00%
Stock compensation expense \| $		$ 1,365,582	$ 1,349,634
Expected term		5 years
Subsidiary equity units for which investor has right to convert to common stock		500,000
Warrants outstanding				6,039
2014 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding		51,512
Stock options vested		51,270
Common stock authorized and reserved for issuance		2,538,234
Percentage of increase in number of shares of common stock issued and outstanding		5.00%
Common Class B Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio		one
Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of units owned		100.00%
PDV Spectrum Holding Company, LLC [Member] \| Common Class B Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from investments, value \| $	$ 10,000,000
Proceeds from investment, shares	500,000
Sale of stock, price per share \| $ / shares	$ 20.00
Stock issued during period value to purchase of assets \| $	$ 10,000,000
Preferred Stock Series AA [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $
First Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting for stock granted to employees		25.00%
Second Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting for stock granted to employees		25.00%
Third Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting for stock granted to employees		25.00%
Fourth Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting for stock granted to employees		25.00%
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding		50,000		50,000
Stock options issued to purchase common stock
Exercise price per share \| $ / shares
Stock awards issued
restricted stock unit awards, weighted average exercise price \| $ / shares
Restricted stock units outstanding		37,295		37,295
Stock compensation expense \| $		$ 0	0
Weighted average fair value for each stock option award granted \| $ / shares		$ 14.81
Unrecognized compensation cost related to non-vested share options granted \| $		$ 5,800,000
Unvested compensation expense \| $		$ 963,000
Weighted average Period for each stock option award granted		2 years 7 months 6 days
Restricted stock units, vested
Performance Shares [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued to purchase common stock		50,000
Exercise price per share \| $ / shares		$ 25.81
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $		$ 1,030,000	1,350,000
Unrecognized compensation cost related to non-vested share options granted \| $		$ 4,500,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards issued		16,222
restricted stock unit awards, weighted average exercise price \| $ / shares		$ 20.04
Restricted stock units outstanding		156,106		140,872
Stock compensation expense \| $		$ 335,000	$ 0
Unvested compensation expense \| $		$ 3,300,000
Weighted average period of recognition of unrecognized compensation cost		3 years 4 months 24 days
Restricted stock units, vested		888

Stock Acquisition Rights, Stock Options and Warrants (Summary of Restricted Stock and Restricted Stock Units Activity) (Details) - Restricted Stock [Member]	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock outstanding \| shares	140,872
Stock, Granted \| shares	16,222
Stock, Forfeited \| shares	(100)
Stock, Vested \| shares	(888)
Stock outstanding \| shares	156,106
Weighted Average Grant Day Fair Value, Stock outstanding \| $ / shares	$ 26.47
Weighted Average Grant Day Fair Value, Stock, Granted \| $ / shares	20.04
Weighted Average Grant Day Fair Value, Stock, Forfeited \| $ / shares	26.26
Weighted Average Grant Day Fair Value, Stock, Vested \| $ / shares	20.04
Weighted Average Grant Day Fair Value, Stock outstanding \| $ / shares	$ 25.84

Stock Acquisition Rights, Stock Options and Warrants (Summary of Performance Stock Activity) (Details) - Performance Shares [Member]	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock outstanding \| shares	37,295
Stock, Granted \| shares
Stock, Forfeited \| shares
Stock, Vested \| shares
Stock outstanding \| shares	37,295
Weighted Average Grant Day Fair Value, Stock outstanding \| $ / shares	$ 25.81
Weighted Average Grant Day Fair Value, Stock, Granted \| $ / shares
Weighted Average Grant Day Fair Value, Stock, Forfeited \| $ / shares
Weighted Average Grant Day Fair Value, Stock, Vested \| $ / shares
Weighted Average Grant Day Fair Value, Stock outstanding \| $ / shares	$ 25.81

Stock Acquisition Rights, Stock Options and Warrants (Schedule of Additional Information Regarding Stock Options Outstanding) (Details)	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Outstanding \| shares	1,702,200
Weighted Average Remaining Life in Years	8 years 1 month 13 days
Weighted Average Exercise Prices	$ 23.01
Options Exercisable \| shares	744,020
Weighted Average Exercise Price of Shares Exercisable	$ 21.66
$13.25 - $20.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price, Minimum	13.25
Exercise Price, Maximum	$ 20.00
Number Outstanding \| shares	1,169,618
Weighted Average Remaining Life in Years	7 years 9 months 22 days
Weighted Average Exercise Prices	$ 19.74
Options Exercisable \| shares	578,126
Weighted Average Exercise Price of Shares Exercisable	$ 19.48
$21.00 - $46.23 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price, Minimum	21.00
Exercise Price, Maximum	$ 46.23
Number Outstanding \| shares	436,000
Weighted Average Remaining Life in Years	8 years 11 months 5 days
Weighted Average Exercise Prices	$ 26.21
Options Exercisable \| shares	137,000
Weighted Average Exercise Price of Shares Exercisable	$ 25.23
$47.10 - $72.85 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price, Minimum	47.10
Exercise Price, Maximum	$ 72.85
Number Outstanding \| shares	96,582
Weighted Average Remaining Life in Years	8 years 3 months 22 days
Weighted Average Exercise Prices	$ 48.09
Options Exercisable \| shares	28,894
Weighted Average Exercise Price of Shares Exercisable	$ 48.35

Stock Acquisition Rights, Stock Options and Warrants (Summary of Performance Stock Options) (Details)	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding \| shares	1,693,200
Options, Granted \| shares	14,750
Options, Exercised \| shares	(5,750)
Options outstanding \| shares	1,702,200
Weighted Average Exercise Price, Options outstanding \| $ / shares	$ 22.91
Weighted Average Exercise Price, Granted \| $ / shares	35.73
Weighted Average Exercise Price, Exercised \| $ / shares	27.18
Weighted Average Exercise Price, Options outstanding \| $ / shares	$ 23.01
Weighted Average Contractual Term, Options outstanding	10 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding \| shares	50,000
Options, Granted \| shares
Options, forfeited/expired \| shares
Options outstanding \| shares	50,000
Weighted Average Exercise Price, Options outstanding \| $ / shares	$ 25.81
Weighted Average Exercise Price, Granted \| $ / shares
Weighted Average Exercise Price, forfeited/expired \| $ / shares
Weighted Average Exercise Price, Options outstanding \| $ / shares	$ 25.81

Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2016	Mar. 31, 2016
Consolidated Balance Sheets [Abstract]
Preferred Stock, par value	$ 0.0001	$ 0.0001
Preferred Stock, shares authorized	10,000,000	10,000,000
Preferred Stock, shares outstanding	0	0
Common Stock, par value	$ 0.0001	$ 0.0001
Common Stock, shares authorized	100,000,000	100,000,000
Common Stock, shares issued	14,300,790	14,300,790
Common Stock, shares outstanding	14,300,790	14,300,790

Consolidated Statement of Stockholders’ Equity - 3 months ended Jun. 30, 2016 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Mar. 31, 2016	$ 1,438	$ 325,669,088	$ (63,485,146)	$ 262,185,380
Balance, Shares at Mar. 31, 2016	14,384,594
Equity based compensation		1,365,582		1,365,582
Net loss			(10,051,996)	(10,051,996)
Balance at Jun. 30, 2016	$ 1,438	$ 327,034,670	$ (73,537,142)	$ 253,498,966
Balance, Shares at Jun. 30, 2016	14,384,594

Accounts Payable-officers	3 Months Ended
Accounts Payable-officers	Jun. 30, 2016
Accounts Payable-officers [Abstract]
Accounts Payable-officers	6. Accounts Payable - officers Accounts payable - officers represents unreimbursed expenses including travel, lodging, and meal expenses incurred by the Company’s officers. At June 30, 2016 and March 31, 2016, the accounts payable to officers amounted to $19,532 and $44,159, respectively.

Notes Payable	3 Months Ended
Notes Payable	Jun. 30, 2016
Notes Payable [Abstract]
Notes Payable	7. Promissory Note On October 23, 2015, the Company entered into a promissory note in the amount of $1,289,013 with a third party in exchange for wireless licenses. The term of the note is through March 15, 2018 and bears a fixed rate of interest, of 0.55% per annum, which is based on the Short Term Applicable Federal Rate on the closing date. As of June 30, 2016, the Company’s outstanding borrowings were $991,810, of which $494,545 is in current liabilities on the Company’s Consolidated Balance Sheets.

Income Taxes	3 Months Ended
Income Taxes	Jun. 30, 2016
Income Taxes [Abstract]
Income Taxes	8. Income Taxes The Company had federal and state net operating loss carryforwards of approximately $55.3 million at March 31, 2016, which expire in varying amounts from 2021 through 2036. The Company has deferred tax assets of approximately $20.2 million relating to these net operating loss carryforwards and stock compensation plans at March 31, 2016. Federal net operating loss carryforwards are subject to limitations as a result of a change in ownership. State net operating loss carryforwards are subject to limitations, which differ from federal law in that they may not allow the carryback of net operating losses, and have shorter carryforward periods. Due to the uncertainty with respect to the realization of these deferred tax assets, the Company recorded a valuation allowance for the entire amount. The difference between the tax benefit at the statutory rate and the effective tax rate is primarily attributable to a full valuation allowance placed upon the deferred tax asset. The Company recognizes the effect of tax positions only when they are more likely than not to be sustained. The Company’s management has determined that it had no uncertain tax positions that would require financial statement recognition or disclosure. The Company is no longer subject to U.S. federal, state or local income tax examinations for periods prior to 2013.

Supplemental Disclosure of Cash Flow Information	3 Months Ended
Supplemental Disclosure of Cash Flow Information	Jun. 30, 2016
Supplemental Disclosure of Cash Flow Information [Abstract]
Supplemental Disclosure of Cash Flow Information	10. Supplemental Disclosure of Cash Flow Information The Company paid in cash $8,295 in taxes and did not make any payments for interest during the three months ended June 30, 2016. The Company paid in cash $800 in taxes and did not make any payments for interest during the three months ended June 30, 2015. During the three months ended June 30, 2016, the Company entered into a barter transaction with a third party whereby it acquired wireless licenses valued at approximately $310,000 consisting of approximately $268,000 related to use of the Company’s network along with radios and $42,000 in cash (see Note 5). The Company capitalized Asset Retirement Obligations that amounted to $13,655.

Concentrations of Credit Risk	3 Months Ended
Concentrations of Credit Risk	Jun. 30, 2016
Concentrations of Credit Risk [Abstract]
Concentrations of Credit Risk	12. Concentrations of Credit Risk Financial instruments which potentially expose the Company to concentrations of credit risk consist primarily of cash and cash equivalents and trade accounts receivable. The Company places its cash and temporary cash investments with financial institutions for which credit loss is not anticipated. The Company sells its current software applications product and extends credit predominately through two domestic third-party carriers. The Company maintains allowances for doubtful accounts based on factors surrounding the write-off history, historical trends, and other information.

Business Concentrations	3 Months Ended
Business Concentrations	Jun. 30, 2016
Business Concentrations [Abstract]
Business Concentrations	13. Business Concentrations For the three months ended June 30, 2016, the Company had two Tier 1 carriers that accounted for approximately 33% and 17% of operating revenues, respectively. The two Tier 1 carriers accounted for approximately 56% and 30% of operating revenues for the three months ended June 30, 2015. As of June 30, 2016 and March 31, 2016, the Company had two Tier 1 carriers that accounted for approximately 45% and 28% and 49% and 32%, respectively, of accounts receivable.

Inventory (Schedule of Inventory) (Details) - USD ($)	Jun. 30, 2016	Mar. 31, 2016
Inventory [Line Items]
Total inventory	$ 55,750	$ 93,203
Mobile Devices [Member]
Inventory [Line Items]
Total inventory	31,136	60,384
Handsets [Member]
Inventory [Line Items]
Total inventory	$ 24,614	$ 32,819

Property and Equipment (Narrative) (Details) - USD ($)	3 Months Ended
Property and Equipment (Narrative) (Details) - USD ($)	Jun. 30, 2016	Jun. 30, 2015
Property and Equipment [Abstract]
Depreciation	$ 483,583	$ 46,810
Depreciation classified as cost of revenue	$ 444,000	$ 33,000

Intangible Assets (Schedule of Indefinite-Lived Intangible Assets) (Details)	3 Months Ended
	Jun. 30, 2016 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Balance	$ 103,655,459
Balance	104,225,744
Wireless Licenses [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance	103,655,459
Acquisitions	570,285
Balance	$ 104,225,744

Accounts Payable-officers (Narrative) (Details) - USD ($)	Jun. 30, 2016	Mar. 31, 2016
Accounts Payable-officers [Abstract]
Accounts payable - officers	$ 19,532	$ 44,159

Notes Payable (Narrative) (Details) - USD ($)	Jun. 30, 2016	Mar. 31, 2016	Oct. 23, 2015
Line of Credit Facility [Line Items]
Current portion of note payable	$ 494,545	$ 494,545
Promissory note [Member]
Line of Credit Facility [Line Items]
Debt instrument, amount			$ 1,289,013
Debt instrument, interest rate			0.55%
Debt instrument, outstanding borrowings	991,810
Current portion of note payable	$ 494,545

Income Taxes (Narrative) (Details) $ in Millions	Mar. 31, 2016 USD ($)
Income Taxes [Abstract]
Net operating loss carryforwards	$ 55.3
Deferred tax assets	$ 20.2

Stock Acquisition Rights, Stock Options and Warrants (Summary of Warrant Activity) (Details)	3 Months Ended
	Jun. 30, 2016 $ / shares shares
Stock Acquisition Rights, Stock Options and Warrants [Abstract]
Warrants outstanding \| shares	6,039
Warrants, Expired \| shares	(6,039)
Weighted Average Exercise Price \| $ / shares	$ 82.79
Weighted Average Exercise Price of Warrants, Expired \| $ / shares	$ (82.79)

Supplemental Disclosure of Cash Flow Information (Details) - USD ($)	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Noncash or Part Noncash Acquisitions [Line Items]
Taxes paid	$ 8,295	$ 800
Interest paid	0	$ 0
Cash purchases	302,314
Asset retirement obligation	217,201
Wireless Licenses [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Exchanges, net	310,000
Cash purchases	42,000
Asset retirement obligation	13,655
Acquisitions, free service	$ 268,000

Commitments and Contingencies (Narrative) (Details) - USD ($)	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Commitments And Contingencies [Line Items]
Increase (decrease) in rental expense as effect of straight line basis	$ 143,000	$ 60,602
Accumulated deferred rent payable	588,000
Office Space [Member]
Commitments And Contingencies [Line Items]
Lease rent expense	$ 421,000	96,000
Office Space [Member] \| Minimum [Member]
Commitments And Contingencies [Line Items]
Lease expiration date	Jan. 07, 2017
Office Space [Member] \| Maximum [Member]
Commitments And Contingencies [Line Items]
Lease expiration date	May 31, 2020
Office Space [Member] \| Cost of Revenue [Member]
Commitments And Contingencies [Line Items]
Lease rent expense	$ 306,000	24,000
Office Space [Member] \| Operating Expense [Member]
Commitments And Contingencies [Line Items]
Lease rent expense	$ 115,000	$ 72,000
Tower Space [Member] \| Minimum [Member]
Commitments And Contingencies [Line Items]
Lease expiration date	Feb. 28, 2020
Tower Space [Member] \| Maximum [Member]
Commitments And Contingencies [Line Items]
Lease expiration date	Jun. 30, 2026

Commitments and Contingencies (Aggregate Rentals under Non-cancelable Leases for Office and Plant Space) (Details)	Jun. 30, 2016 USD ($)
Commitments and Contingencies [Abstract]
2017 (9 months)	$ 834,520
2018	1,141,606
2019	1,596,483
2020	1,737,115
2021	1,267,731
After 2021	4,097,249
Total	$ 10,674,704

Business Concentrations (Details) - item	3 Months Ended		12 Months Ended
Business Concentrations (Details) - item	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016
Operating Revenue [Member]
Concentration Risk [Line Items]
Number of carriers	2	2
Operating Revenue [Member] \| Carriers One [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	33.00%	56.00%
Operating Revenue [Member] \| Carriers Two [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	17.00%	30.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Number of carriers	2		2
Accounts Receivable [Member] \| Carriers One [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	45.00%		49.00%
Accounts Receivable [Member] \| Carriers Two [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	28.00%		32.00%