Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member] First Issuance [Member] USD ($)	Common Stock [Member] Second Issuance [Member]	Common Stock [Member] Third Issuance [Member] USD ($)	Common Stock [Member] USD ($)	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	First Issuance [Member] USD ($)	Third Issuance [Member] USD ($)	Total USD ($)
Balance, amount at Dec. 31, 2010				$ 189,491	$ 12,297	$ (184,490)				$ 17,298
Balance, shares (in Shares) at Dec. 31, 2010				4,517,266
Net loss						(19,933)				(19,933)
Share-based compensation				228	512					740
Common stock issued, amount	3,796		52,102					3,796	52,102
Common stock issued, shares (in Shares)	600,000	300,000	6,172,801
Warrant redemption					(530)					(530)
Balance, amount at Dec. 31, 2011				245,617	12,279	(204,423)				53,473
Balance, shares (in Shares) at Dec. 31, 2011				11,590,067
Net loss						(17,986)				(17,986)
Foreign currency translation adjustment							(112)			(112)
Reduction in issuance costs from legal claims settlement				1,050						1,050
Share-based compensation					131					131
Balance, amount at Dec. 31, 2012				$ 246,667	$ 12,410	$ (222,409)	$ (112)			$ 36,556
Balance, shares (in Shares) at Dec. 31, 2012				11,590,067