CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income (loss)	Treasury stock
Beginning Balance (in shares) at Dec. 31, 2014		33,542
Beginning Balance at Dec. 31, 2014	$ 59,257	$ 34	$ 476,689	$ (430,616)	$ 13,613	$ (463)
Net income (loss)	7,039			7,039
Other comprehensive income (loss), currency translation adjustments, net of applicable tax	(1,571)				(1,571)
Other comprehensive income (loss), pension liability adjustment	(19)				(19)
Purchase of restricted stock from employees (in shares)		(70)
Purchase of restricted stock from employees	$ (163)					(163)
Issuance of shares for 401(k) plan contribution (in shares)	116	116
Issuance of shares for 401(k) plan contribution	$ 314		(104)			418
Stock-based compensation (in shares)		1,083
Stock-based compensation	3,758		3,758
Ending Balance (in shares) at Jun. 30, 2015		34,671
Ending Balance at Jun. 30, 2015	$ 68,615	$ 34	$ 480,343	$ (423,577)	$ 12,023	$ (208)