Unaudited Condensed Consolidated Statement of Changes in Stockholders' Deficit - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
Beginning Balance, Amount at Dec. 31, 2014	$ 12	$ 284,328	$ (402,868)	$ (1,354)	$ (119,882)
Beginning Balance, Shares at Dec. 31, 2014	12,051,762
Issuance of common stock for:
Conversion of notes payable, Amount	$ 19	14,639			14,658
Conversion of notes payable, Shares	18,867,989
Exercise of common stock warrants, Amount	$ 22	24,612			24,634
Exercise of common stock warrants, Shares	22,192,373
Professional services and settlement of liabilities, Amount		138			138
Professional services and settlement of liabilities, Shares	364,775
Cancelation of derivative, Amount	$ 20	$ 7,473			$ 7,493
Cancelation of derivative, Shares	19,666,667
Vesting of restricted stock award, Shares	22,223
Other, Shares	2,795
Return of common shares in settlement agreement, Amount
Return of common shares in settlement agreement, Shares	(19,500)
Cancellation of related party warrants		$ 44,230			$ 44,230
Stock-based compensation		$ 12,235			12,235
Foreign currency translation loss				$ (2,287)	(2,287)
Net loss			$ (15,490)		(15,490)
Ending Balance, Amount at Sep. 30, 2015	$ 73	$ 387,655	$ (418,358)	$ (3,641)	$ (34,271)
Ending Balance, Shares at Sep. 30, 2015	73,149,084