Consolidated Statement of Changes in Stockholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]
Balance, Common Stock (Shares) at Dec. 31, 2014		204,004,818
Balance at Dec. 31, 2014	$ 25,004	$ 204	$ 302,729	$ (160)	$ (277,769)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares to settle accounts payable (shares)		2,558,779
Shares to settle accounts payable	672	$ 2	670
Equity-based compensation	111		111
Stock sold at the market (shares)		38,919,883
Stock sold at the market	9,293	$ 39	9,254
Net comprehensive loss	(8,316)			(26)	(8,290)
Balance, Common Stock (Shares) at Jun. 30, 2015		245,483,480
Balance at Jun. 30, 2015	$ 26,764	$ 245	$ 312,764	$ (186)	$ (286,059)