Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Common stock [Member]	Additional paid-in capital [Member]	Accumulated comprehensive income (deficit) [Member]
BALANCE at Dec. 31, 2014	$ 14,902	$ 45	$ 223,141	$ (208,284)
BALANCE, Shares at Dec. 31, 2014	45,000,891	45,000,000
Exercise of common stock options	$ 10		10
Exercise of common stock options, shares		9,000
Non cash compensation recognized on stock options and ESPP	90		90
Restricted stock grants, net of cancellations	1,009	$ 1	1,008
Restricted stock grants, net of cancellations, shares		1,375,000
Cancellation of shares for payment of withholding tax	(277)		(277)
Cancellation of shares for payment of withholding tax, shares		(194,000)
Employee stock purchase plan (ESPP)	8		8
Employee stock purchase plan (ESPP), shares		11,000
Comprehensive loss	(1,240)			(1,240)
BALANCE at Jun. 30, 2015	$ 14,502	$ 46	$ 223,980	$ (209,524)
BALANCE, Shares at Jun. 30, 2015	46,200,940	46,201,000