Consolidated Statements of Stockholders' Equity and Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	Total	Common stock ($0.01 par)	Additional paid-in capital	Accumulated deficit	Treasury stock at cost	Accumulated other comprehensive loss	Comprehensive income (loss)
Balance at Dec. 31, 2008	$ 92,806	$ 178	$ 158,462	$ (48,135)	$ (15,070)	$ (2,629)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(1,190)			(1,190)			(1,190)
Other comprehensive income (loss)	683					683	683
Total comprehensive income (loss)							(507)
Repurchases of common stock in the open market	(2,166)				(2,166)
Equity investment by Sagard Capital Partners, L.P.	19,581	8	3,953		15,620
Stock-based compensation expense	1,439		1,231		208
Net issuances of stock pursuant to stock compensation and benefit plans and other	(263)		(1,671)		1,408
Balance at Dec. 31, 2009	110,890	186	161,975	(49,325)		(1,946)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	12,732			12,732			12,732
Other comprehensive income (loss)	(281)					(281)	(281)
Total comprehensive income (loss)							12,451
Repurchases of common stock in the open market	(266)				(266)
Stock-based compensation expense	1,657		1,657
Net issuances of stock pursuant to stock compensation and benefit plans and other	55	1	(210)		264
Balance at Dec. 31, 2010	124,787	187	163,422	(36,593)	(2)	(2,227)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	17,860			17,860			17,860
Other comprehensive income (loss)	(995)					(995)	(995)
Total comprehensive income (loss)							16,865
Repurchases of common stock in the open market	(1,414)				(1,414)
Stock-based compensation expense	1,899		1,899
Net issuances of stock pursuant to stock compensation and benefit plans and other	1,257	1	198		1,058
Balance at Dec. 31, 2011	$ 143,394	$ 188	$ 165,519	$ (18,733)	$ (358)	$ (3,222)