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	38	0	38
Equity-based compensation	198		198
Stock sold at the market (shares)		20,685,021
Stock sold at the market	8,458	21	8,437
Net comprehensive loss	(8,624)			168	(8,792)
Balance at Jun. 30, 2014	$ 29,368	$ 189	$ 298,236	$ 54	$ (269,111)
Balance, Common Stock Shares (shares) at Jun. 30, 2014		189,498,664