CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income (loss)	Treasury stock
Beginning Balance at Dec. 31, 2013	$ 74,385	$ 34	$ 475,461	$ (417,422)	$ 17,173	$ (861)
Beginning Balance (in shares) at Dec. 31, 2013		33,332
Net income (loss)	(8,918)			(8,918)
Other comprehensive income (loss), translation adjustments	2,030				2,030
Other comprehensive income (loss), pension liability adjustment	(25)				(25)
Adjustments Related to Tax Withholding for Share-based Compensation (in shares)		(33)
Adjustments Related to Tax Withholding for Share-based Compensation	(122)					(122)
Stock Issued During Period, Shares, Employee Benefit Plan	118	118
Stock Issued During Period, Value, Employee Benefit Plan	430		(97)			527
Stock-based compensation (in shares)		(410)
Stock-based compensation	829		829
Ending Balance at Jun. 30, 2014	$ 68,609	$ 34	$ 476,193	$ (426,340)	$ 19,178	$ (456)
Ending Balance (in shares) at Jun. 30, 2014		33,007