Consolidated Statements of Shareholders' Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2012	$ 200,000	$ 20,915,000	$ 13,694,000	$ 24,000	$ 34,833,000
Balance (in Shares) at Dec. 31, 2012	20,044,457
Options exercised	8,000	1,044,000			1,052,000
Options exercised (in Shares)	765,002				765,002
Common stock repurchased and retired	(19,000)	(3,115,000)			(3,134,000)
Common stock repurchased and retired (in Shares)	(1,931,350)				(1,931,350)
Share-based compensation expense		150,000			150,000
Net income			2,079,000		2,079,000
Other comprehensive income				601,000	601,000
Balance at Dec. 31, 2013	189,000	18,994,000	15,773,000	625,000	35,581,000
Balance (in Shares) at Dec. 31, 2013	18,878,109				18,878,109
Options exercised	5,000	770,000			775,000
Options exercised (in Shares)	490,000				490,000
Common stock repurchased and retired	(11,000)	(2,195,000)			(2,206,000)
Common stock repurchased and retired (in Shares)	(1,019,553)				(1,019,553)
Excess tax benefit from stock options exercised		231,000			231,000
Share-based compensation expense		33,000			33,000
Net income			2,742,000		2,742,000
Other comprehensive income				750,000	750,000
Balance at Dec. 31, 2014	$ 183,000	$ 17,833,000	$ 18,515,000	$ 1,375,000	$ 37,906,000
Balance (in Shares) at Dec. 31, 2014	18,348,556				18,348,556