Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Series A Preferred Stock [Member]
Beginning Balance at Dec. 31, 2014	$ 54,396	$ 52	$ 259,920	$ (47)	$ (205,531)	$ 2
Beginning Balance, shares at Dec. 31, 2014		51,603,070				2,139,000
Stock-based compensation	3,507		3,507
Restricted stock awards		1	(1)
Restricted stock awards, shares		694,269
Exercise of stock options	131		131
Exercise of stock options, shares	38,454	38,454
Short swing profit return	6		6
Conversion of preferred shares to common shares	0	0	0	0	0	0
Conversion of preferred shares to common shares, shares		45,845				(45,845)
Net loss	(8,193)				(8,193)
Ending Balance at Mar. 31, 2015	$ 49,847	$ 53	$ 263,563	$ (47)	$ (213,724)	$ 2
Ending Balance, shares at Mar. 31, 2015		52,381,638				2,093,155