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, 2011			$ 35,717	$ (465)	$ (31,454)	$ 3,798
Beginning Balance, Shares at Dec. 31, 2011	0
Issuance of common stock for cash, net of offering costs of $77, Amount			859			859
Issuance of common stock for cash, net of offering costs of $77, Shares	1,000
Stock-based compensation, Amount			56			56
Stock-based compensation, Shares	0
Fractional shares payment			(2)			(2)
Issuance of common stock for Rockstar patents, Shares
Issuance of Series H preferred stock for Rockstar patents, Shares
Issuance of common stock for North South acquisition, Shares
Issuance of common stock in connection with private placement, Shares
Issuance of Series E preferred stock for cash, Shares
Issuance of Series F preferred stock for cash, Shares
Warrants exchange for Series C convertible preferred stock, Shares
Conversion of Series C preferred stock to common stock, Shares
Conversion of Series D preferred stock to common stock, Shares
Conversion of Series D preferred stock to Series D-1, Shares
Conversion of Series D1 preferred stock to common stock, Shares
Conversion of Series F preferred stock to Series F-1, Shares
Conversion of Series F1 preferred stock to common stock, Shares
Cashless exercise of warrants, Shares
Retirement of Series E preferred stock and release of loan to North South, Shares
Net Loss					(3,857)	(3,857)
Ending Balance, Amount at Dec. 31, 2012			36,630	(465)	(35,311)	854
Ending Balance, Shares at Dec. 31, 2012	1,000
Issuance of common stock for cash, net of offering costs of $77, Shares
Stock-based compensation, Amount			9,971			9,971
Stock-based compensation, Shares	15
Issuance of common stock for Rockstar patents, Amount			2,670			2,670
Issuance of common stock for Rockstar patents, Shares	0
Issuance of Series H preferred stock for Rockstar patents, Amount			38,330			38,330
Issuance of Series H preferred stock for Rockstar patents, Shares		0
Issuance of common stock for North South acquisition, Amount			5,511			5,511
Issuance of common stock for North South acquisition, Shares	1,000	1,000
Issuance of common stock in connection with private placement, Amount			310			310
Issuance of common stock in connection with private placement, Shares	48
Issuance of Series E preferred stock for cash, Amount			500			500
Issuance of Series E preferred stock for cash, Shares		0
Issuance of Series F preferred stock for cash, Amount			1,925			1,925
Issuance of Series F preferred stock for cash, Shares		0
Warrants exchange for Series C convertible preferred stock, Amount			5,696			5,696
Warrants exchange for Series C convertible preferred stock, Shares		0
Conversion of Series C preferred stock to common stock, Amount
Conversion of Series C preferred stock to common stock, Shares	0	(0)
Conversion of Series D preferred stock to common stock, Amount
Conversion of Series D preferred stock to common stock, Shares	0	(17)
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	1,000	(76)
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	0	(0)
Cashless exercise of warrants, Amount
Cashless exercise of warrants, Shares	7
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		(0)
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	4,000	2,000