Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2009	$ 7	$ 93,576	$ 2,074	$ (50,393)		$ (4,754)	$ 40,510
Balance (in Shares) at Dec. 31, 2009	7,387,309
Comprehensive income:
Net income				5,047	5,047		5,047
Foreign currency translation			592		592		592
Comprehensive income					5,639
Stock options exercised (in Shares)	376,875
Stock options exercised	1	14					15
Issuance of restricted stock (in Shares)	280,894
Stock-based compensation		935					935
Balance at Dec. 31, 2010	8	94,525	2,666	(45,346)		(4,754)	47,099
Balance (in Shares) at Dec. 31, 2010	8,045,078
Comprehensive income:
Net income				14,464	14,464		14,464
Foreign currency translation			61		61		61
Comprehensive income					14,525
Stock options exercised (in Shares)	75,600
Stock options exercised		3					3
Issuance of restricted stock (in Shares)	98,048
Stock-based compensation		763					763
Balance at Dec. 31, 2011	$ 8	$ 95,291	$ 2,727	$ (30,882)		$ (4,754)	$ 62,390
Balance (in Shares) at Dec. 31, 2011	8,218,726