Consolidated Statement 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 Loss [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2014	$ 25,004	$ 204	$ 302,729	$ (160)	$ (277,769)
Balance, Common Stock (Shares) at Dec. 31, 2014		204,004,818
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation	58		58
Stock sold at the market (shares)		21,732,904
Stock sold at the market	5,242	22	5,220
Net comprehensive loss	(3,334)			111	(3,445)
Balance at Mar. 31, 2015	$ 26,970	$ 226	$ 308,007	$ (49)	$ (281,214)
Balance, Common Stock (Shares) at Mar. 31, 2015		225,737,722