CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 9 months ended Sep. 30, 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)	(936)			(936)
Other comprehensive income (loss), currency translation adjustments, net of applicable tax	3,594				3,594
Other comprehensive income (loss), pension liability adjustment, net of income tax	4				4
Stock Repurchased During Period, Shares		(544)
Stock-based compensation (in shares)		49
Stock-based compensation	937		937
Treasury Stock, Value, Acquired, Cost Method	(703)					(703)
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 Sep. 30, 2017		31,265
Ending Balance at Sep. 30, 2017	$ 44,776	$ 34	$ 483,202	$ (441,414)	$ 10,529	$ (7,575)