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	1,526	0	0	1,526	0
Exercise of stock options	13	0		13
Exercise of stock options, shares	2,226	2,226
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	(11,757)				(11,757)
Balance at Jun. 30, 2012	$ 223,418	$ 274	$ (3,003)	$ 159,099	$ 67,048
Treasury stock, shares at Jun. 30, 2012	(317,731)		(317,731)
Balance, shares at Jun. 30, 2012	27,439,149	27,439,148