Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock	Preferred Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Total
Beginning Balance, Amount at Dec. 31, 2012			$ 36,630	$ (465)	$ (35,311)	$ 854
Beginning Balance, Shares at Dec. 31, 2012	813,713	1		401
Stock-based compensation, Amount			9,971			9,971
Stock-based compensation, Shares	15,000
Issuance of common stock for Rockstar patents, Amount			2,670			2,670
Issuance of common stock for Rockstar patents, Shares	376,981
Issuance of Series H preferred stock for Rockstar patents, Amount			38,330			38,330
Issuance of Series H preferred stock for Rockstar patents, Shares		459,043
Issuance of common stock for North South acquisition, Amount			5,511			5,511
Issuance of common stock for North South acquisition, Shares	1,203,153	1,379,685
Issuance of common stock in connection with private placement, Amount			310			310
Issuance of common stock in connection with private placement, Shares	48,438
Issuance of Series E preferred stock for cash, Amount			500			500
Issuance of Series E preferred stock for cash, Shares		100,000
Issuance of Series F preferred stock for cash, Amount			1,925			1,925
Issuance of Series F preferred stock for cash, Shares		304,250
Warrants exchange for Series C convertible preferred stock, Amount			5,696			5,696
Warrants exchange for Series C convertible preferred stock, Shares		229,337
Conversion of Series C preferred stock to common stock, Amount
Conversion of Series C preferred stock to common stock, Shares	229,336	(229,336)
Conversion of Series D preferred stock to common stock, Amount
Conversion of Series D preferred stock to common stock, Shares	165,880	(165,880)
Conversion of Series D preferred stock to Series D-1, Amount
Conversion of Series D preferred stock to Series D-1, Shares
Conversion of Series D1 preferred stock to common stock, Amount
Conversion of Series D1 preferred stock to common stock, Shares	762,500	(76,250)
Conversion of Series F preferred stock to Series F-1, Amount
Conversion of Series F preferred stock to Series F-1, Shares
Conversion of Series F1 preferred stock to common stock, Amount
Conversion of Series F1 preferred stock to common stock, Shares	148,000	(148,000)
Cashless exercise of warrants, Amount
Cashless exercise of warrants, Shares	6,711
Retirement of Series E preferred stock and release of loan to North South, Amount			500			500
Retirement of Series E preferred stock and release of loan to North South, Shares		(100,000)
Net Loss					(17,965)	(17,965)
Ending Balance, Amount at Dec. 31, 2013			102,043	(465)	(53,276)	48,302
Ending Balance, Shares at Dec. 31, 2013	3,769,712	1,902,142		401
Stock-based compensation, Amount			12,676			12,676
Stock-based compensation, Shares	120,485
Conversion of Series D preferred stock to Series D-1, Amount
Conversion of Series D preferred stock to Series D-1, Shares
Conversion of Series D1 preferred stock to common stock, Amount	2		(2)
Conversion of Series D1 preferred stock to common stock, Shares	12,812,881	(1,281,288)
Conversion of Series F preferred stock to Series F-1, Amount
Conversion of Series F preferred stock to Series F-1, Shares	156,250	(156,250)
Issuance of common stock for cash, net, Amount			3,874			3,874
Issuance of common stock for cash, net, Shares	1,185,614
Issuance of common stock for non-cash registration rights penalty, Amount			654			654
Issuance of common stock for non-cash registration rights penalty, Shares	239,521
Issuance of common stock for contractual dispute settlement, Amount			225			225
Issuance of common stock for contractual dispute settlement, Shares	125,000
Issuance of Series J preferred stock for cash, net, Amount		1	18,386			18,387
Issuance of Series J preferred stock for cash, net, Shares		10,000,000
Conversion of Series B preferred stock to common stock, Amount
Conversion of Series B preferred stock to common stock, Shares	4	(1)
Conversion of Series H preferred stock to common stock, Amount
Conversion of Series H preferred stock to common stock, Shares	200,000	(200,000)
Conversion of Series J preferred stock to common stock, Amount	1	(1)
Conversion of Series J preferred stock to common stock, Shares	10,000,000	(10,000,000)
Retirement of treasury stock, Amount			(201)	201
Retirement of treasury stock, Shares				(173)
Net Loss					(30,532)	(30,532)
Ending Balance, Amount at Dec. 31, 2014	$ 3		$ 137,655	$ (264)	$ (83,808)	$ 53,586
Ending Balance, Shares at Dec. 31, 2014	28,609,467	444,603		228