CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2017 - 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, 2016		31,765
Beginning Balance at Dec. 31, 2016	$ 41,885	$ 34	$ 482,265	$ (440,478)	$ 6,931	$ (6,867)
Net income (loss)	(1,314)			(1,314)
Other comprehensive income (loss), currency translation adjustments, net of applicable tax	1,408				1,408
Other comprehensive income (loss), pension liability adjustment	(1)				(1)
Stock Repurchased During Period, Shares		(277)
Stock-based compensation (in shares)		49
Stock-based compensation	191		191
Treasury Stock, Value, Acquired, Cost Method	(329)					(329)
Shares Paid for Tax Withholding for Share Based Compensation		5
Adjustments Related to Tax Withholding for Share-based Compensation	5					5
Ending Balance (in shares) at Mar. 31, 2017		31,532
Ending Balance at Mar. 31, 2017	$ 41,835	$ 34	$ 482,456	$ (441,792)	$ 8,338	$ (7,201)