CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock Issued [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2011	$ 243,737	$ 501	$ 475,013	$ (242,586)	$ 10,809
Net income	12,646			12,646
Translation adjustments	(467)				(467)
Exercise of stock options	853	1	852
Equity-based compensation	4,058		4,058
Treasury stock purchase and retirement	(10,269)	(12)	(10,257)
Tax withholding related to vesting of restricted stock, net	(1,400)	2	(1,402)
Income tax benefit from equity awards	(67)		(67)
Balance at Jun. 30, 2012	$ 249,091	$ 492	$ 468,197	$ (229,940)	$ 10,342