Consolidated Statements of Changes in Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2012	$ 44,700	$ 166	$ 288,671	$ (43)	$ (244,094)
Balance, Common Stock Shares (shares) at Dec. 31, 2012		166,490,190
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued for settlement of accounts payable, Common Stock Shares (shares)		583,924
Stock issued for settlement of accounts payable	134	1	133
Equity-based compensation, Common Stock Shares (shares)
Equity-based compensation	121		121
Net comprehensive income (loss)	(3,575)			36	(3,611)
Balance at Mar. 31, 2013	$ 41,380	$ 167	$ 288,925	$ (7)	$ (247,705)
Balance, Common Stock Shares (shares) at Mar. 31, 2013		167,074,114