Consolidated Statements of Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2008	$ 87	$ 54,943	$ (375)	$ (211)	$ (2,180)	$ 52,264
Balance (in Shares) at Dec. 31, 2008	8,668			23
Stock grants issued, net	1	(1)		(164)		(164)
Stock grants issued, net (in Shares)	142			23
Stock based compensation expense		1,337				1,337
Exercise of common stock options and related tax benefits		75				75
Exercise of common stock options and related tax benefits (in Shares)	22
Unrealized loss on hedging transaction			187			187
Net income					4,494	4,494
Balance at Dec. 31, 2009	88	56,354	(188)	(375)	2,314	58,193
Balance (in Shares) at Dec. 31, 2009	8,832			46
Stock grants issued, net	2	(1)		(346)		(345)
Stock grants issued, net (in Shares)	168			45
Stock based compensation expense		1,591				1,591
Exercise of common stock options and related tax benefits		162	(15)			147
Exercise of common stock options and related tax benefits (in Shares)	19
Unrealized loss on hedging transaction			148			148
Secondary Offering	28	19,034				19,062
Secondary Offering (in Shares)	2,800
Retire Treasury Stock	(1)	(657)		657		(1)
Retire Treasury Stock (in Shares)	(84)			(84)
Net income					4,725	4,725
Balance at Dec. 31, 2010	117	76,483	(55)	(64)	7,039	83,520
Balance (in Shares) at Dec. 31, 2010	11,735			7
Stock grants issued, net	1	(1)		(266)		(266)
Stock grants issued, net (in Shares)	122			30
Stock based compensation expense		1,478				1,478
Exercise of common stock options and related tax benefits	1	196				197
Exercise of common stock options and related tax benefits (in Shares)	37
Unrealized loss on hedging transaction			13			13
Net income					4,600	4,600
Balance at Dec. 31, 2011	$ 119	$ 78,156	$ (42)	$ (330)	$ 11,639	$ 89,542
Balance (in Shares) at Dec. 31, 2011	11,894			37