Consolidated Statements of Changes in Stockholders' Equity (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, 2013	$ 29,298	$ 168	$ 289,563	$ (114)	$ (260,319)
Balance, Common Stock Shares (shares) at Dec. 31, 2013		168,660,370
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued for settlement of accounts payable, Common Stock Shares (shares)		153,273
Stock issued for settlement of accounts payable	37	0	37
Equity-based compensation	88		88
Stock sold at the market (shares)		14,471,585
Stock sold at the market	6,385	15	6,370
Net comprehensive loss	(3,815)			21	(3,836)
Balance at Mar. 31, 2014	$ 31,993	$ 183	$ 296,058	$ (93)	$ (264,155)
Balance, Common Stock Shares (shares) at Mar. 31, 2014		183,285,228