Prism Technologies (PRZM) 10-Q 21 Aug 17 2017 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information	6 Months Ended
	Jun. 30, 2017shares
Document Information [Line Items]
Entity Registrant Name	Prism Technologies Group, Inc.
Entity Central Index Key	1,077,370
Trading Symbol	przm
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)	10,073,688
Document Type	10-Q
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q2
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 340,000	$ 589,000
Restricted cash equivalents	0	400,000
Prepaid expenses and other current assets	91,000	599,000
Total current assets	431,000	1,588,000
Intangible assets, net	0	15,255,000
Goodwill	0	54,000
Other assets	22,000	22,000
Total assets	453,000	16,919,000
Current liabilities:
Accounts payable	337,000	384,000
Accrued expenses		1,508,000
Notes payable, net	3,385,000	3,298,000
Derivative liability		405,000
Debt due to related party		252,000
Total current liabilities	3,722,000	5,847,000
Accrued contingent consideration, non-current		11,539,000
Other liabilities		45,000
Total liabilities	3,722,000	17,431,000
Commitments and contingencies (Note 12)
Stockholders’ deficit:
Common stock	15,000	15,000
Paid-in capital	231,412,000	231,374,000
Treasury stock	(10,323,000)	(10,323,000)
Accumulated deficit	(224,373,000)	(221,578,000)
Total stockholders’ deficit	(3,269,000)	(512,000)
Total liabilities and stockholders’ deficit	$ 453,000	$ 16,919,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues			$ 110
Cost of revenues			(91)
Gross margin			19
Operating expenses:
General and administrative	(1,833)	978	(388)	2,090
Amortization	1,301	2,183	2,626	4,365
Impairment of intangible assets	12,444	2,209	12,629	2,209
Total operating expenses	11,912	5,370	14,921	8,664
Loss from operations	(11,912)	(5,370)	(14,902)	(8,664)
Other income	10,524	2,037	12,775	2,039
Interest expense	(258)	(173)	(524)	(343)
Interest expense to a related party	(81)		(144)
Net loss before income taxes	(1,727)	(3,506)	(2,795)	(6,968)
Income tax benefit
Net loss	$ (1,727)	$ (3,506)	$ (2,795)	$ (6,968)
Net loss per share:
Basic and diluted (in dollars per share)	$ (0.17)	$ (0.35)	$ (0.28)	$ (0.69)
Shares used in computing loss per share amounts
Basic and diluted (in shares)	10,074	10,074	10,074	10,074

Condensed Consolidated Stateme4

Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net loss	$ (1,727)	$ (3,506)	$ (2,795)	$ (6,968)
Comprehensive loss	$ (1,727)	$ (3,506)	$ (2,795)	$ (6,968)

Condensed Consolidated Stateme5

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (2,795,000)	$ (6,968,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	38,000	38,000
Amortization	2,626,000	4,365,000
Revaluation of derivative liability	(405,000)
Impairment of intangible assets	12,629,000	2,209,000
Impairment of goodwill	54,000
Gain on changes in estimate to notes payable	(697,000)
Changes in estimates to prepaid expenses	450,000
Changes in estimates to accrued expenses	(3,651,000)
Imputed interest expense on contingent consideration	135,000	173,000
Imputed interest on notes payable	532,000	168,000
Revaluation of contingent consideration	(11,674,000)	(2,011,000)
Net changes in operating assets and liabilities:
Prepaid expenses and other current assets	58,000	94,000
Accounts payable	(47,000)	(24,000)
Accrued expenses and other current liabilities	2,098,000	(421,000)
Net cash used in operating activities	(649,000)	(2,377,000)
Cash flows from investing activities:
Redemptions of short-term investments		1,494,000
Redemptions of restricted cash equivalents	400,000	200,000
Net cash provided by investing activities	400,000	1,694,000
Net decrease in cash and cash equivalents	(249,000)	(683,000)
Cash and cash equivalents, beginning of period	589,000	1,756,000
Cash and cash equivalents, end of period	$ 340,000	$ 1,073,000

Note 1 - Business of Prism Tech

Note 1 - Business of Prism Technologies Group, Inc.	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. Prism Technologies Group, Inc. (referred to herein as “PTG”, “we”, “our” or “us”) was originally incorporated in California in February 1995 October 1996.The 101 100, 95630, 916 932 2860. www.przmgroup.com. Since December 21, 2011, ’s business has consisted of licensing and enforcing a portfolio of patents relating to technology that we developed or acquired. On March 26, 2015, two 50 September 2015,

Note 2 - Basis of Presentation

Note 2 - Basis of Presentation and Liquidity	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Business Description and Basis of Presentation [Text Block]	2. The consolidated financial statements include the accounts of PTG and its wholly-owned subsidiaries, Goldrush Insurance Services, Inc. and Prism Technologies LLC. All significant inter-company accounts and transactions have been eliminated in the consolidated financial statements. The accompanying unaudited interim condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10 8 03 X. not June 30, 2017 three six June 30, 2017 2016 six June 30, 2017 2016. three six June 30, 2017 not The accompanying financial statements have been prepared under the assumption that PTG will continue to operate as a going concern, which contemplates the realization of assets and the settlement of liabilities in the normal course of business. The consolidated financial statements do not may ’s ability to continue as a going concern. As of June 30, 2017, $0.3 $3.4 2017. not one no two 2016 $750,000 10 fourth 2017. may hese factors raise substantial doubt about PTG's ability to continue as a going concern within twelve 10 not may These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in our Annual Report on Form 10 December 31, 2016 not not no Summary of Significant Accounting Policies Revenue recognition In general, patent licensing arrangements are expected to provide for the payment of contractually determined fees in consideration for the grant of certain intellectual property rights for patented technologies owned or controlled by PTG. Complex revenue arrangements may PTG recognizes revenue when (i) persuasive evidence of a contractual arrangement between PTG and the licensee exists, which create legally enforceable rights and obligations, (ii) delivery of the licensee agreement was provided to the licensee, based upon the point at which control of license transfers to the licensee, (iii) the price to the licensee was fixed or determinable, represents the amount of consideration to which PTG expects to be entitled in exchange for transferring the promised licensee agreement to a licensee and (iv) collectability of consideration to which PTG is entitled to is reasonably assured. Cost of Revenues Cost of revenues include the costs and expenses incurred in connection with PTG's patent licensing and enforcement activities, including contingent fee based legal expenses, other patent-related legal expenses paid to external patent counsel, licensing and enforcement related research, consulting expenses and revenue share payments paid to third Business Combination Accounting We account for acquisitions in accordance with ASC 805 “Business Combinations.” March 26, 2015 ( not may one Intangible Assets The fair value amount assigned to each acquired patent asset was being amortized on a straight-line basis over a period ranging from 1.5 6.5 a weighted average of 4.8 100% s in the second 2017, zero June 30, 2017. The amortization period of the covenants not ’s officers was three second 2017, not zero June 30, 2017. PTG evaluates the recoverability of its long-lived assets, including intangible assets subject to amortization in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") Topic 360, Property, Plant and Equipment 360 may not As a result of adverse litigation events in the first and second 2017, ASC 360 not $0.2 $12.4 first second 2017 not zero June 30, 2017. Goodwill Goodwill represents the excess of: (a) the aggregate of the fair value of consideration transferred, the fair value of any noncontrolling interest in the acquiree (if any) and the acquisition date fair value of PTG’s previously held equity interest in the acquiree (if any), over (b) the fair value of assets acquired and liabilities assumed. Goodwill, deemed to have an indefinite life is subject to periodic impairment testing as described below. Goodwill is tested for impairment on a periodic basis, and at least annually in the fourth first no second second In addition, PTG would evaluate goodwill for impairment if events or circumstances change between annual tests indicating a possible impairment. Examples of such events or circumstances include the following: ● a significant adverse change in legal factors or in the business climate; ● a more likely than not ● the testing for recoverability of a significant asset group within the segment. As a result of adverse litigation events in the second 2017, ASC 360 not $0.1 second 2017. zero June 30, 2017. Derivative instruments We assess whether activities which provide capital to fund our operations include embedded features that are derivatives instruments. If a derivative instrument is embedded, the instrument is accounted for separately from the host contract. Changes in fair value are recognized in other income or loss, consistent with the underlying derivative instrument. As a result, any change in the value of our derivative instrument would be substantially offset by an opposite change in the value of the underlying derivative item. We do not not Share-Based Payments We account for share-based compensation in accordance with ASC 718 “Compensation – Stock Compensation.” 718, may not not Recently Adopted Accounting Pronouncements In March 2016, 2016 09, Compensation - Stock Compensation 718 : Improvements to Employee Share-Based Payment Accounting December 15, 2016. 2016 09 January 1, 2017. $ 2.2 $64.7 $62.5 June 30, 2017. In November 2015, No. 2015 17, 2015 17” 2015 17 December 15, 2016, may 2015 17 January 1, 2017. not Recent Accounting Pronouncements In May 2014, No. 2014 09, December 15, 2017. 2014 09 not In August 2016, (“ASU”) No. 2016 15, No. 2016 15 December 15, 2017, not 2016 15

Note 3 - Acquisition and Purcha

Note 3 - Acquisition and Purchase Accounting	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Business Combination Disclosure [Text Block]	3. Acquisition and Purchase Accounting On March 26, 2015, ( $58.3 805 “Business Combinations.” $75.4 $75.4 $16.5 $1.3 $15.2 April, 2015); ( $9.4 3.5 $49.5 Contingent Consideration The contingent consideration payable to Prism LLC ’s former members consists of a share of future revenues related to lawsuits filed by Prism LLC prior to the Closing Date (“Open Suits”). Under the terms of the Merger Agreement, we will retain the first $16.5 70% $49.5 March 31, September 30 December 31, 20% December 31. 4 For the three six June 30, 2017 $9.4 $11.7 pected cash flows. For the three June 30, 2016, $2.0 June 30, 2016.

Note 4 - Fair Value Measurement

Note 4 - Fair Value Measurements	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Fair Value Disclosures [Text Block]	4. Fair Value Measurements The following table presents the assets measured at fair value on a recurring basis as of June 30, 2017 ( June 3 0 , 2017 Level 1 Level 2 Level 3 Assets: Cash and cash equivalents $ 340 $ 340 $ — $ — Restricted cash equivalents — — — — Total assets at fair value $ 340 $ 340 $ — $ — June 3 0 , 2017 Level 1 Level 2 Level 3 Liabilities: Contingent consideration $ — $ — $ — $ — Derivative liability — — — — Total liabilities at fair value $ — $ — $ — $ — As a result of adverse litigation events in the second 2017, zero June 30, 2017. as other income in the Statement of Operations. The following table presents the financial assets measured at fair value on a recurring basis as of December 31, 2016 December 31, 2016 Level 1 Level 2 Level 3 Assets: Cash and cash equivalents $ 589 $ 589 $ — $ — Restricted cash equivalents 400 400 — — Total assets at fair value $ 989 $ 989 $ — $ — December 31, 2016 Level 1 Level 2 Level 3 Liabilities: Contingent consideration $ 11,539 $ — $ — $ 11,539 Derivative liability 405 — — 405 Total liabilities at fair value $ 11,944 $ — $ — $ 11,944 Cash equivalents and restricted cash equivalents include certificates of deposit, money market deposit accounts and money market funds. The carrying value of these cash equivalents and restricted cash equivalents approximates fair value. For these securities, we use quoted prices in active markets for identical assets to determine their fair value that are considered to be Level 1 The contingent consideration payable to Prism LLC's former members consists of a share of future revenues related to lawsuits filed by Prism LLC prior to the Closing Date ("Open Suits"). See Note 3 3 As discussed in Note 9, December 21, 2016 $500,000 815, Level 3

Note 5 - Restricted Cash Equiva

Note 5 - Restricted Cash Equivalents	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Restricted Assets Disclosure [Text Block]	5. As of June 30, 2017 December 31, 2016, $0 $0.4 February 28, 2017, March 15, 2017, no $0.4

Note 6 - Other Assets

Note 6 - Other Assets	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Other Assets Disclosure [Text Block]	6. Prism LLC owns several life insurance policies (also referred to as “life settlement contracts”). These life settlement contracts were part of the assets we acquired in the Merger. A life settlement contract is the payment of cash to an insured in return for an assignment of ownership or beneficial interest in, and the right to receive the value of, a life insurance policy upon the death of the insured. In 2016, ’s premiums on these life settlement contracts were $40,000 $38,000 five Life settlement contracts are preliminarily recorded at cash surrender value, with premium payments expensed as incurred. The policies are not no three six June 30, 2017. December 31, 2016, two $37,000. December 31, 2016. $40,000 Life settlement contracts consist of the following (in thousands): June 3 0 , 2017 December 31, 2016 Number of individual life insurance policies held 4 4 Aggregate face/maturity value of all policies $ 1,800 $ 1,800 Cash surrender value of all policies $ 18 $ 18

Note 7 - Intangible Assets

Note 7 - Intangible Assets	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	7. Intangible assets, net, include the following amounts (in thousands): June 3 0 , December 31, 2016 Goodwill $ — $ 54 Patent portfolio 21,592 34,030 Covenant not to compete 1,141 1,332 Total goodwill and other intangible assets 22,733 35,416 Accumulated amortization patent portfolio (21,592 ) (19,096 ) Accumulated amortization covenant not to compete (1,141 ) (1,011 ) Total goodwill and other intangible assets, net $ — $ 15,309 Goodwill, the excess of the purchase price paid to former members of Prism LLC over the fair market value of the net assets acquired, in the amount of $0.1 not second 2017, zero June 30, 2017. Acquisition-related intangible assets are amortized using the straight-line method over their estimated economic lives from 3 6.5 June 30, 2017, no As a result of adverse litigation events in the second 2017, zero June 30, 2017 will no

Note 8 - Impairment of Long-liv

Note 8 - Impairment of Long-lived Assets	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Asset Impairment Charges [Text Block]	8. Impairment of long-lived assets When indicators are present, PTG evaluates the recoverability of the patent assets based on comparison to estimated undiscounted cash flows to the carrying value of the patent assets. As a result of adverse litigation events in the first second 2017, $0.2 $12.4 $0.2 $12.4 zero June 30, 2017. The events resulting in the reassessment of the patent assets described above also required a reassessment of the contingent consideration liability. Adjustments to the contingent consideration liability were made representing the difference between the contingent consideration as of the acquisition date and accrued imputed interest compared to the contingent consideration expected to be paid, based upon the estimated future undiscounted cash flows expected to be generated. The fair value s of the contingent consideration liabilities were reduced by $2.3 $9.4 first second 2017

Note 9 - Accrued Expenses

Note 9 - Accrued Expenses	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Other Liabilities Disclosure [Text Block]	9. Accrued expenses and other current liabilities consist of the following (in thousands ): June 3 0 , 2017 December 31, 2016 Accrued lease obligations (See Note 12) $ — $ 34 Incentive compensation accrual — 912 Payroll accrual — 562 Total accrued expenses $ — $ 1,508 The decrease to the incentive compensation accrual and payroll accruals above were attributable to adverse litigation events in the second 2017, September 1, 2016.

Note 10 - Notes Payable

Note 10 - Notes Payable	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Debt Disclosure [Text Block]	10. As part of the Merger, PTG assumed $3.6 two four $1,000,000 June 2015 December 2016. 12% On December 21, 2016, $500,000 Prism LLC Technologies LLC v Sprint Spectrum L.P. D/B/A/ Sprint PCS; 16 1456 16 1457 ● two $1.25 18 ● three $1.5 18 To the extent not $500,000 $59,000. As a result of adverse litigation events in the second 2017, Therefore, the non-recourse financing note payable was reduced to zero June 30, 2017. The balances of the notes payable consist of the following (in thousands): June 3 0 , 2017 December 31, 2016 Notes payable, assumed debt $ 3,062 $ 3,062 Notes payable, net due to financing company — 108 Add accreted interest 323 128 Fair Value $ 3,385 $ 3,298 The installment payments due on December 31, 2015, June 30, 2016 December 2016 not Note Payable, Related Party On December 29, 2016, provided PTG with $250,000 $625,000 $7.5 The maturity of the non-recourse financing agreement with Mr. Enan consists of the following (in thousands): June 3 0 , 2017 December 31, 2016 Notes payable $ — $ 250 Add accreted interest — 2 Fair Value $ — $ 252 As a result of adverse litigation events in the second 2017, rse financing note payable was reduced to zero June 30, 2017. Derivative instruments Our primary objective in holding derivative instruments is to provide capital to fund our operations. Accounting Standards Update ("ASU") No. 2016 06, Derivatives and Hedging, 815 December 21, 2016 $500,000 815, Fair Value of Derivative Instruments The fair values of our outstanding derivative instruments are as follows (in thousands): Derivative Liabilities Balance Sheet Location June 3 0 , 2017 December 31, 2016 Derivative liability Derivative liability — 405 Fair Value $ — $ 405 As a result of adverse litigation events in the second 2017, zero June 30, 2017.

Note 11 - Net Loss Per Share

Note 11 - Net Loss Per Share	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Earnings Per Share [Text Block]	11. Loss Per Share Basic net loss per share is computed using the weighted-average number of shares of common stock outstanding. Diluted income per share is a measure of the potential dilution that would occur if stock options had been exercised. The following table reconciles the numerator and denominator used to calculate basic and diluted net loss per share of common stock: Three months ended June 30, Six months ended June 30, (In thousands, except per share amounts) 2017 2016 2017 2016 Numerator for basic and diluted net loss per share: Net loss available to common stockholders $ (1,727 ) $ (3,506 ) $ (2,795 ) $ (6,968 ) Denominator for net loss per share: Basic and diluted —weighted average shares of common stock outstanding 10,074 10,074 10,074 10,074 Net loss per share: Basic and diluted $ (0.17 ) $ (0.35 ) $ (0.28 ) $ (0.69 ) Potentially dilutive securities not no three six June 30, 2017 2016.

Note 12 - Commitments and Conti

Note 12 - Commitments and Contingencies	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	12. Leases W e have a non-cancelable sixty 2,200 August 31, 2017. We had a non-cancelable five February 14, 2017 16,000 May 2013. April 16, 2013, February 2017.

Note 13 - Legal Proceedings

Note 13 - Legal Proceedings	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Legal Matters and Contingencies [Text Block]	13. Litigation In the ordinary course of business, we are the subject of, or party to, various pending or threatened legal actions, including various counterclaims in connection with our patent enforcement activities. We believe that any liability arising from these actions will not In connection with any of our patent enforcement actions, it is possible that a defendant may may may Wireless Litigation On June 23, 2015, Prism LLC was awarded trial damages of $30 February 2012 December 2014. March 7, 2017, three May 8, 2017 July 25, 2017 August 8, 2017, ’s motion for relief from the June 2015 $30 On October 30, 2015, not 8,387,155 8,127,345. April 6, 2016, ’s motion for judgment as a matter of law and its motion for attorney fees; the court also denied Prism LLC’s motion for judgment as a matter of law and its motion for a new trial. Both parties appealed to the Federal Circuit. On June 23, 2017, 35 101.2. 35 285, July 11, 2017, Patent infringement lawsuits against United States Cellular Corporation ( 8:12 125 8:12 126 Glazer Patent Litigation I n multiple Inter Partes Review (“IPR”) and Covered Business Methods (“CBM”) challenges initiated in 2015 2016, No. 7,631,191 B2 On February 21, 2017, not CBM proceedings because the Glazer patent claims do not March 23, 2017, June 6, 2017. The Glazer patent is the subject of patent infringement litigation in the U.S. District Court for the Eastern District of Texas (Secure Axcess, LLC v. U.S. Bank, et al. 6:13 00717 PTG and Secure Axcess are evaluating their options in light of the Federal Circuit’s rulings. System on Chip Litigation In March 2015, six ’ motion or by joint stipulations of dismissal. The defendant in the remaining case was HP Enterprise Services, LLC. On July 21, 2016, November 9, 2016, February 3, 2017. not

Note 14 - Equity and Stock Opti

Note 14 - Equity and Stock Options	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	14.  As of June 30, 2017, $59,000 500,000 five $2.68. 33.33% first first 1/24 66.67% 24 The remaining one five officers are performance based and vest as follows: (i) 33.33% first first 33.33% second first second 33.34% third first third On June 11, 2015, 72,500 72,500 70,000 33% one two For the performance based options noted above, in accordance with ASC 718 “Compensation – Stock Compensation.” 0% 100% 2017 not no June 30, 2017, 50% 2015 none 2016 2017 The 2008 5,000 July 1st first July 1, 2016, 5,000 three $0.27. PTG recognized $ 19,000 and $ 38,000 three six June 30, 2017 2016. During the three and six June 30, 2017 2016 no

Note 15 - Subsequent Event

Note 15 - Subsequent Event	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	15. On August 8, 2017, ’s motion for relief from the June 2015 60 $30

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2017
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	The consolidated financial statements include the accounts of PTG and its wholly-owned subsidiaries, Goldrush Insurance Services, Inc. and Prism Technologies LLC. All significant inter-company accounts and transactions have been eliminated in the consolidated financial statements. The accompanying unaudited interim condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10 8 03 X. not June 30, 2017 three six June 30, 2017 2016 six June 30, 2017 2016. three six June 30, 2017 not The accompanying financial statements have been prepared under the assumption that PTG will continue to operate as a going concern, which contemplates the realization of assets and the settlement of liabilities in the normal course of business. The consolidated financial statements do not may ’s ability to continue as a going concern. As of June 30, 2017, $0.3 $3.4 2017. not one no two 2016 $750,000 10 fourth 2017. may hese factors raise substantial doubt about PTG's ability to continue as a going concern within twelve 10 not may These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in our Annual Report on Form 10 December 31, 2016 not not no
Revenue Recognition, Policy [Policy Text Block]	Revenue recognition In general, patent licensing arrangements are expected to provide for the payment of contractually determined fees in consideration for the grant of certain intellectual property rights for patented technologies owned or controlled by PTG. Complex revenue arrangements may PTG recognizes revenue when (i) persuasive evidence of a contractual arrangement between PTG and the licensee exists, which create legally enforceable rights and obligations, (ii) delivery of the licensee agreement was provided to the licensee, based upon the point at which control of license transfers to the licensee, (iii) the price to the licensee was fixed or determinable, represents the amount of consideration to which PTG expects to be entitled in exchange for transferring the promised licensee agreement to a licensee and (iv) collectability of consideration to which PTG is entitled to is reasonably assured.
Cost of Sales, Policy [Policy Text Block]	Cost of Revenues Cost of revenues include the costs and expenses incurred in connection with PTG's patent licensing and enforcement activities, including contingent fee based legal expenses, other patent-related legal expenses paid to external patent counsel, licensing and enforcement related research, consulting expenses and revenue share payments paid to third
Business Combinations Policy [Policy Text Block]	Business Combination Accounting We account for acquisitions in accordance with ASC 805 “Business Combinations.” March 26, 2015 ( not may one
Intangible Assets, Finite-Lived, Policy [Policy Text Block]	Intangible Assets The fair value amount assigned to each acquired patent asset was being amortized on a straight-line basis over a period ranging from 1.5 6.5 a weighted average of 4.8 100% s in the second 2017, zero June 30, 2017. The amortization period of the covenants not ’s officers was three second 2017, not zero June 30, 2017. PTG evaluates the recoverability of its long-lived assets, including intangible assets subject to amortization in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") Topic 360, Property, Plant and Equipment 360 may not As a result of adverse litigation events in the first and second 2017, ASC 360 not $0.2 $12.4 first second 2017 not zero June 30, 2017.
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	Goodwill Goodwill represents the excess of: (a) the aggregate of the fair value of consideration transferred, the fair value of any noncontrolling interest in the acquiree (if any) and the acquisition date fair value of PTG’s previously held equity interest in the acquiree (if any), over (b) the fair value of assets acquired and liabilities assumed. Goodwill, deemed to have an indefinite life is subject to periodic impairment testing as described below. Goodwill is tested for impairment on a periodic basis, and at least annually in the fourth first no second second In addition, PTG would evaluate goodwill for impairment if events or circumstances change between annual tests indicating a possible impairment. Examples of such events or circumstances include the following: ● a significant adverse change in legal factors or in the business climate; ● a more likely than not ● the testing for recoverability of a significant asset group within the segment. As a result of adverse litigation events in the second 2017, ASC 360 not $0.1 second 2017. zero June 30, 2017.
Derivatives, Embedded Derivatives [Policy Text Block]	Derivative instruments We assess whether activities which provide capital to fund our operations include embedded features that are derivatives instruments. If a derivative instrument is embedded, the instrument is accounted for separately from the host contract. Changes in fair value are recognized in other income or loss, consistent with the underlying derivative instrument. As a result, any change in the value of our derivative instrument would be substantially offset by an opposite change in the value of the underlying derivative item. We do not not
Compensation Related Costs, Policy [Policy Text Block]	Share-Based Payments We account for share-based compensation in accordance with ASC 718 “Compensation – Stock Compensation.” 718, may not not
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Adopted Accounting Pronouncements In March 2016, 2016 09, Compensation - Stock Compensation 718 : Improvements to Employee Share-Based Payment Accounting December 15, 2016. 2016 09 January 1, 2017. $2.2 $64.7 $62.5 June 30, 2017. In November 2015, No. 2015 17, 2015 17” 2015 17 December 15, 2016, may 2015 17 January 1, 2017. not Recent Accounting Pronouncements In May 2014, No. 2014 09, December 15, 2017. 2014 09 not In August 2016, (“ASU”) No. 2016 15, No. 2016 15 December 15, 2017, not 2016 15

Note 4 - Fair Value Measureme22

Note 4 - Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	June 3 0 , 2017 Level 1 Level 2 Level 3 Assets: Cash and cash equivalents $ 340 $ 340 $ — $ — Restricted cash equivalents — — — — Total assets at fair value $ 340 $ 340 $ — $ — June 3 0 , 2017 Level 1 Level 2 Level 3 Liabilities: Contingent consideration $ — $ — $ — $ — Derivative liability — — — — Total liabilities at fair value $ — $ — $ — $ — December 31, 2016 Level 1 Level 2 Level 3 Assets: Cash and cash equivalents $ 589 $ 589 $ — $ — Restricted cash equivalents 400 400 — — Total assets at fair value $ 989 $ 989 $ — $ — December 31, 2016 Level 1 Level 2 Level 3 Liabilities: Contingent consideration $ 11,539 $ — $ — $ 11,539 Derivative liability 405 — — 405 Total liabilities at fair value $ 11,944 $ — $ — $ 11,944

Note 6 - Other Assets (Tables)

Note 6 - Other Assets (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Life Settlement Contracts, Investment Method [Table Text Block]	June 3 0 , 2017 December 31, 2016 Number of individual life insurance policies held 4 4 Aggregate face/maturity value of all policies $ 1,800 $ 1,800 Cash surrender value of all policies $ 18 $ 18

Note 7 - Intangible Assets (Tab

Note 7 - Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Intangible Assets and Goodwill [Table Text Block]	June 3 0 , December 31, 2016 Goodwill $ — $ 54 Patent portfolio 21,592 34,030 Covenant not to compete 1,141 1,332 Total goodwill and other intangible assets 22,733 35,416 Accumulated amortization patent portfolio (21,592 ) (19,096 ) Accumulated amortization covenant not to compete (1,141 ) (1,011 ) Total goodwill and other intangible assets, net $ — $ 15,309

Note 9 - Accrued Expenses (Tabl

Note 9 - Accrued Expenses (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	June 3 0 , 2017 December 31, 2016 Accrued lease obligations (See Note 12) $ — $ 34 Incentive compensation accrual — 912 Payroll accrual — 562 Total accrued expenses $ — $ 1,508

Note 10 - Notes Payable (Tables

Note 10 - Notes Payable (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Long-term Debt Instruments [Table Text Block]	June 3 0 , 2017 December 31, 2016 Notes payable, assumed debt $ 3,062 $ 3,062 Notes payable, net due to financing company — 108 Add accreted interest 323 128 Fair Value $ 3,385 $ 3,298 June 3 0 , 2017 December 31, 2016 Notes payable $ — $ 250 Add accreted interest — 2 Fair Value $ — $ 252
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]	Derivative Liabilities Balance Sheet Location June 3 0 , 2017 December 31, 2016 Derivative liability Derivative liability — 405 Fair Value $ — $ 405

Note 11 - Net Loss Per Share (T

Note 11 - Net Loss Per Share (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three months ended June 30, Six months ended June 30, (In thousands, except per share amounts) 2017 2016 2017 2016 Numerator for basic and diluted net loss per share: Net loss available to common stockholders $ (1,727 ) $ (3,506 ) $ (2,795 ) $ (6,968 ) Denominator for net loss per share: Basic and diluted —weighted average shares of common stock outstanding 10,074 10,074 10,074 10,074 Net loss per share: Basic and diluted $ (0.17 ) $ (0.35 ) $ (0.28 ) $ (0.69 )

Note 1 - Business of Prism Te28

Note 1 - Business of Prism Technologies Group, Inc. (Details Textual)	6 Months Ended
	Jun. 30, 2017
Number of Operating Subsidiaries	2
Patents [Member] | Prism Technologies [Member]
Issued Patents	50

Note 2 - Basis of Presentatio29

Note 2 - Basis of Presentation and Liquidity (Details Textual) - USD ($)	Dec. 29, 2016	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Mar. 26, 2015
Cash and Cash Equivalents, at Carrying Value		$ 340,000		$ 340,000	$ 1,073,000	$ 589,000	$ 1,756,000
Proceeds from Issuance of Debt	$ 750,000
Acquired Finite-lived Intangible Assets, Estimates Used to Determine Useful Lives, Percentage of Cash Flows on a Discounted Basis		100.00%		100.00%
Intangible Assets, Net (Excluding Goodwill)		$ 0		$ 0		15,255,000
Goodwill, Impairment Loss		100,000		54,000
Goodwill		0		0		$ 54,000
Deferred Tax Assets, Gross		62,500,000		62,500,000
Deferred Tax Assets, Gross, Amount before New Accounting Pronouncement Adjustment		64,700,000		64,700,000
Accounting Standards Update 2016-09 [Member]
Deferred Tax Assets, Gross		(2,200,000)		(2,200,000)
Deferred Tax Assets, Valuation Allowance		(2,200,000)		(2,200,000)
Prism Acquisition [Member]
Intangible Assets, Net (Excluding Goodwill)		$ 12,400,000	$ 200,000	$ 12,400,000
Goodwill								$ 100,000
Minimum [Member] | Prism Acquisition [Member]
Finite-Lived Intangible Asset, Useful Life				3 years
Maximum [Member] | Prism Acquisition [Member]
Finite-Lived Intangible Asset, Useful Life				6 years 182 days
Patents [Member]
Finite-Lived Intangible Asset, Useful Life		0 years
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life				1 year 182 days
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life				6 years 182 days
Patents [Member] | Weighted Average [Member]
Finite-Lived Intangible Asset, Useful Life			4 years 292 days
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life		0 years	3 years
Notes Payable, Other Payables [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		$ 3,400,000		$ 3,400,000

Note 3 - Acquisition and Purc30

Note 3 - Acquisition and Purchase Accounting (Details Textual) - USD ($) $ in Thousands, shares in Millions	Mar. 26, 2015	Apr. 30, 2015	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						$ (11,674)	$ (2,011)
Prism Acquisition [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 58,300
Business Combination, Maximum Purchase Price	75,400
Business Combination Cash Agreed to Pay	16,500
Payments to Acquire Businesses, Gross	1,300	$ 15,200
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 9,400
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	3.5
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 49,500
Percentage of Litigation and Settlement Proceeds for Prism Security Holders	70.00%
Business Combination, Contingent Consideration, Earn-out Calculation, Quarterly Retention Percentage	20.00%
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability			$ (9,400)	$ (2,300)	$ (2,000)	$ (11,700)

Note 4 - Fair Value Measureme31

Note 4 - Fair Value Measurements (Details Textual)	Dec. 21, 2016USD ($)
Non-Recourse Note Payable [Member]
Proceeds from Notes Payable	$ 500,000

Note 4 - Fair Value Measureme32

Note 4 - Fair Value Measurements - Assets and Liabilities at Fair Value (Details) - USD ($)	Jun. 30, 2017	Mar. 15, 2017	Dec. 31, 2016
Assets:
Restricted cash equivalents	$ 0	$ 400,000	$ 400,000
Liabilities:
Derivative Liability	0
Fair Value, Measurements, Recurring [Member]
Assets:
Cash and cash equivalents	340,000		589,000
Restricted cash equivalents			400,000
Total assets at fair value	340,000		989,000
Liabilities:
Contingent consideration			11,539,000
Derivative Liability			405,000
Total liabilities at fair value			11,944,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and cash equivalents	340,000		589,000
Restricted cash equivalents			400,000
Total assets at fair value	340,000		989,000
Liabilities:
Contingent consideration
Derivative Liability
Total liabilities at fair value
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and cash equivalents
Restricted cash equivalents
Total assets at fair value
Liabilities:
Contingent consideration
Derivative Liability
Total liabilities at fair value
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and cash equivalents
Restricted cash equivalents
Total assets at fair value
Liabilities:
Contingent consideration			11,539,000
Derivative Liability			405,000
Total liabilities at fair value			$ 11,944,000

Note 5 - Restricted Cash Equi33

Note 5 - Restricted Cash Equivalents (Details Textual) - USD ($)	Jun. 30, 2017	Mar. 15, 2017	Dec. 31, 2016
Restricted Cash and Investments, Current	$ 0	$ 400,000	$ 400,000

Note 6 - Other Assets (Details

Note 6 - Other Assets (Details Textual)	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2017USD ($)	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)
Payment to Acquire Life Insurance Policy, Investing Activities			$ 40,000
Life Insurance Policies, Future Anticipated Payment Amount per Year	$ 38,000	$ 38,000
Anticipated Period to Keep Life Settlement Contracts		5 years
Number of Life Insurance Policies Sold			2
Proceeds from Sale of Life Insurance Policies			$ 37,000
Cash Surrender Value [Member]
Other Asset Impairment Charges	$ 0	$ 0

Note 6 - Other Assets - Life Se

Note 6 - Other Assets - Life Settlement Contracts (Details) $ in Thousands	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)
Number of individual life insurance policies held	4	4
Aggregate face/maturity value of all policies	$ 1,800	$ 1,800
Cash surrender value of all policies	$ 18	$ 18

Note 7 - Intangible Assets (Det

Note 7 - Intangible Assets (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Mar. 26, 2015
Goodwill	$ 0		$ 54,000
Intangible Assets, Net (Excluding Goodwill)	0		$ 15,255,000
Prism Acquisition [Member]
Goodwill				$ 100,000
Intangible Assets, Net (Excluding Goodwill)	$ 12,400,000	$ 200,000
Prism Acquisition [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Prism Acquisition [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	6 years 182 days

Note 7 - Intangible Assets - In

Note 7 - Intangible Assets - Intangible Assets, Net (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Goodwill	$ 0	$ 54,000
Total goodwill and other intangible assets	22,733,000	35,416,000
Total goodwill and other intangible assets, net		15,309,000
Patents [Member]
Intangible assets, gross, excluding goodwill	21,592,000	34,030,000
Accumulated amortization	(21,592,000)	(19,096,000)
Noncompete Agreements [Member]
Intangible assets, gross, excluding goodwill	1,141,000	1,332,000
Accumulated amortization	$ (1,141,000)	$ (1,011,000)

Note 8 - Impairment of Long-l38

Note 8 - Impairment of Long-lived Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability				$ (11,674)	$ (2,011)
Patents [Member]
Finite-Lived Intangible Assets, Net	$ 0			0
Prism Acquisition [Member]
Asset Impairment Charges	12,400	$ 200
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(9,400)	(2,300)	$ (2,000)	$ (11,700)
Prism Acquisition [Member] | Patents [Member]
Impairment of Intangible Assets, Finite-lived	$ 12,400	$ 200

Note 9 - Accrued Expenses - Acc

Note 9 - Accrued Expenses - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Accrued lease obligations (See Note 12)		$ 34
Incentive compensation accrual		912
Payroll accrual		562
Total accrued expenses		$ 1,508

Note 10 - Notes Payable (Detail

Note 10 - Notes Payable (Details Textual)	Dec. 29, 2016USD ($)	Dec. 21, 2016USD ($)	Mar. 26, 2015USD ($)	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)
Derivative Liability				$ 0
Chief Executive Officer [Member] | Issuance of Debt Due to Related Party [Member]
Proceeds from Related Party Debt	$ 250,000
Due to Officers or Stockholders	625,000
Related Party Transaction, Payments to Officers, Threshold Cumulative Net Cash Flows	$ 7,500,000
Notes Payable, Other Payables [Member]
Long-term Debt, Fair Value				3,385,000	$ 3,298,000
Non-Recourse Note Payable [Member]
Long-term Debt, Fair Value					$ 252,000
Proceeds from Notes Payable		$ 500,000
Debt Covenant, Repayment Multiple for Full Repayment in Under 18 Months or Less		2.5
Debt Instrument, Amount to Be Paid if Repayment is Made in Under 18 Months or Less		$ 1,250,000
Debt Covenant, Number of Months Used to Determine Repayment Multiple		1 year 180 days
Debt Covenant, Repayment Multiple for Full Repayment in Over 18 Months		3
Debt Instrument, Amount to Be Paid if Repayment is Made in over 18 Months		$ 1,500,000
Debt Instrument, Financing Costs to Be Reimbursed		$ 59,000
Long-term Debt				$ 0
Prism Acquisition [Member] | Notes Payable, Other Payables [Member]
Long-term Debt, Fair Value			$ 3,600,000
Debt Instrument, Number of Installments			4
Debt Instrument, Periodic Payment			$ 1,000,000
Debt Instrument, Interest Rate, Imputed Percentage			12.00%

Note 10 - Notes Payable - Balan

Note 10 - Notes Payable - Balances of the Notes Payable (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Notes Payable, Other Payables [Member]
Add accreted interest	$ 323	$ 128
Fair Value	3,385	3,298
Notes payable	3,062	3,062
Notes Payable, Other Payables [Member] | Net Due to Financing Company [Member]
Notes payable		108
Non-Recourse Note Payable [Member]
Add accreted interest		2
Fair Value		252
Notes payable		$ 250

Note 10 - Notes Payable - Fair

Note 10 - Notes Payable - Fair Value of Derivative Instruments (Details) - Embedded Derivative Financial Instruments [Member] - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value		$ 405
Derivative Liability [Member]
Derivative liability		$ 405

Note 11 - Net Loss Per Share (D

Note 11 - Net Loss Per Share (Details Textual) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	0	0

Note 11 - Net Loss Per Share -

Note 11 - Net Loss Per Share - Calculation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net loss available to common stockholders	$ (1,727)	$ (3,506)	$ (2,795)	$ (6,968)
Basic and diluted —weighted average shares of common stock outstanding (in shares)	10,074	10,074	10,074	10,074
Basic and diluted (in dollars per share)	$ (0.17)	$ (0.35)	$ (0.28)	$ (0.69)

Note 12 - Commitments and Con45

Note 12 - Commitments and Contingencies (Details Textual)	6 Months Ended
	Jun. 30, 2017ft²
Rancho Cordova C A [Member]
Lease Term	5 years
Area of Real Estate Property	16,000
Prism Technologies [Member] | Office Space in Omaha, Nebraska [Member]
Lease Term	5 years
Area of Real Estate Property	2,200

Note 13 - Legal Proceedings (De

Note 13 - Legal Proceedings (Details Textual) $ in Millions	Aug. 08, 2017USD ($)	Jun. 23, 2015USD ($)	Mar. 31, 2015
Sprint Spectrum LP Vs. Prism [Member]
Litigation Settlement, Amount Awarded from Other Party		$ 30
Sprint Spectrum LP Vs. Prism [Member] | Subsequent Event [Member] | Motion of Relief Granted for Sprint Spectrum LP [Member]
Litigation Settlement, Amount Awarded from Other Party	$ 30
Lawsuits Filed by Secure Axcess Alleging Patent Infringement [Member]
Loss Contingency, Number of Defendants			6

Note 14 - Equity and Stock Op47

Note 14 - Equity and Stock Options (Details Textual) - USD ($)	Jul. 01, 2016	Jun. 11, 2015	Mar. 26, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options				$ 59,000		$ 59,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares		70,000
Allocated Share-based Compensation Expense				$ 19,000	$ 19,000	$ 38,000	$ 38,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				0	0	0	0
Service-based Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		72,500
Service-based Options [Member] | Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		1 year
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		33.00%
Service-based Options [Member] | Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		2 years
Performance-based Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		72,500
Performance-based Options [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						0.00%
Performance-based Options [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						100.00%
Performance-based Options [Member] | Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						50.00%
Performance-based Options [Member] | Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						0.00%
Five Prism Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			500,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price			$ 2.68
Five Prism Executive Officers [Member] | Service-based Options [Member] | Vesting on the First Employment Anniversary Date [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.33%
Five Prism Executive Officers [Member] | Service-based Options [Member] | Vesting at the End of Each of the 24 Months Following the First Employment Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			66.67%
Five Prism Executive Officers [Member] | Performance-based Options [Member] | Vesting at the End of Each of the 24 Months Following the First Employment Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.33%
Five Prism Executive Officers [Member] | Performance-based Options [Member] | Vesting on the Second Employment Anniversary Date [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.33%
Five Prism Executive Officers [Member] | Performance-based Options [Member] | Vesting on the Third Employment Anniversary Date [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.34%
Each Non-employee Directors [Member] | The 2008 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized				5,000		5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	5,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.27

Note 15 - Subsequent Event (Det

Note 15 - Subsequent Event (Details Textual) - Sprint Spectrum LP Vs. Prism [Member] - USD ($) $ in Millions	Aug. 08, 2017	Jun. 23, 2015
Litigation Settlement, Amount Awarded from Other Party		$ 30
Subsequent Event [Member] | Motion of Relief Granted for Sprint Spectrum LP [Member]
Litigation Settlement, Amount Awarded from Other Party	$ 30