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)
Common Stock, Shares, Issued at Dec. 31, 2011		27,436,922
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	774	0	0	774	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		2,226
Proceeds from Stock Options Exercised	13	0		13
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		0
Stock Issued During Period, Value, Restricted Stock Award, Gross		0		0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0
Tax Benefit from Stock Options Exercised	0
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited		0
Restricted Stock Award, Forfeitures	0	0		0
Treasury Stock, Shares, Acquired			0
Treasury Stock, Value, Acquired, Cost Method	0		0	0
Net Income (Loss) Attributable to Parent	(6,336)				(6,336)
Balance, March 31, 2012 at Mar. 31, 2012	$ 228,087	$ 274	$ (3,003)	$ 158,347	$ 72,469
Treasury Stock, Shares at Mar. 31, 2012			(317,731)
Common Stock, Shares, Issued at Mar. 31, 2012		27,439,148