Consolidated Statements of Changes in Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2011	$ 136	$ 264,958	$ (389)	$ (226,740)	$ 37,965
Balance, Common Stock Shares at Dec. 31, 2011	135,642,303
Shares sold at the market, Common Stock Shares	10,699,700
Shares sold at the market	11	9,257			9,268
Stock issued for settlement of accounts payable, Common Stock Shares	926,748
Stock issued for settlement of accounts payable	1	261			262
Equity-based compensation, Common Stock Shares	239,747
Equity-based compensation		195			195
Net comprehensive income (loss)			817	(11,895)	(11,078)
Balance at Sep. 30, 2012	$ 148	$ 274,671	$ 428	$ (238,635)	$ 36,612
Balance, Common Stock Shares at Sep. 30, 2012	147,508,498