Condensed Consolidated Statement of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2011	$ 233,636	$ 274	$ (3,003)	$ 157,560	$ 78,805
Treasury stock, shares at Dec. 31, 2011	(317,731)		(317,731)
Balance, shares at Dec. 31, 2011	27,436,922	27,436,922
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,372	0	0	2,372	0
Exercise of stock options	176	1		175
Exercise of stock options, shares	35,739	35,739
Issued restricted stock	0	0		0
Issue restricted stock, shares		0
Excess tax benefits from the exercise of stock options	0
Forfeiture of restricted stock	0	0		0
Forfeiture of restricted stock, shares		0
Purchase of treasury stock	0		0	0
Purchase of treasury stock, shares			0
Net loss	(13,352)				(13,352)
Balance at Sep. 30, 2012	$ 222,832	$ 275	$ (3,003)	$ 160,107	$ 65,453
Treasury stock, shares at Sep. 30, 2012	(317,731)		(317,731)
Balance, shares at Sep. 30, 2012	27,472,662	27,472,661