Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended	32 Months Ended
	Apr. 30, 2015	Oct. 01, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Aug. 31, 2017	Aug. 06, 2015	Jun. 06, 2014	Dec. 31, 2013
Summary of Significant Accounting Policies [Line Items]
Cash and Cash Equivalents, at Carrying Value, Total			$ 5,449,313	$ 484,175	$ 5,449,313	$ 484,175	$ 1,443,349				$ 1,518,684
Working Capital Net Amount			3,603,327		3,603,327
Net Income (Loss) Attributable to Parent, Total			601,353	$ (3,932,313)	(6,024,480)	(9,397,627)
Retained Earnings (Accumulated Deficit), Total			(49,097,693)		(49,097,693)		(43,073,213)
Debt Instrument, Face Amount			4,400,000		4,400,000					$ 300,000
Asset Impairment Charges							$ 686,350
Proceeds from Lines of Credit					1,126,900
Finite-Lived Intangible Assets, Gross			11,893,745		11,893,745
Guaranteed Benefit Liability, Net			17,794,442		17,794,442
Future Unconditional Guarantee Paid					20,000,000
Additional Working Capital			6,500,000		6,500,000
Employee-related Liabilities, Current			2,400,000		2,400,000
Maintenance Costs					800,000
Other Cost and Expense, Operating					$ 2,500,000
Contingent Fee Description					Litigation costs are based primarily on a contingent fee structure (expected to average less than 20% of license revenue for a portfolio) and as such do not scale significantly with the acquisition of new portfolios.
Cash Reserves			1,000,000		$ 1,000,000
Litigation Settlement, Expense					800,000
Proceeds from Issuance of Common Stock	$ 1,835,000				1,835,000	$ 6,487,850
Proceeds from Sale of Intangible Assets					4,000,000
Debt Instrument, Periodic Payment, Interest					2,400,000
Repayments of Debt					2,000,000
Fortress Agreement [Member]
Summary of Significant Accounting Policies [Line Items]
Working Capital Net Amount			3,603,327		3,603,327
Retained Earnings (Accumulated Deficit), Total			49,097,693		49,097,693
Payments for Fees		$ 385,000
Cash Reserves			1,000,000		1,000,000
Subsequent Event [Member]
Summary of Significant Accounting Policies [Line Items]
Future Unconditional Guarantee Paid								$ 20,000,000
Cash									$ 3,016,667
Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Finite-Lived Intangible Assets, Gross			$ 11,893,745		$ 11,893,745
Patents [Member] | Subsequent Event [Member]
Summary of Significant Accounting Policies [Line Items]
Payments for Fees								$ 18,000,000
Minimum [Member] | Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Property plant and equipments estimated useful lives of assets					7 years
Maximum [Member] | Patents [Member]
Summary of Significant Accounting Policies [Line Items]
Property plant and equipments estimated useful lives of assets					10 years