Consolidated Statement of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2014	18,348,556
Balance at Dec. 31, 2014	$ 183,000	$ 17,833,000	$ 1,375,000	$ 18,515,000	$ 37,906,000
Options exercised (in shares)	475,000				475,000
Options exercised	$ 5,000	760,000			$ 765,000
Common stock repurchased and retired (in shares)	(973,100)				(973,100)
Common stock repurchased and retired	$ (10,000)	(2,100,000)			$ (2,110,000)
Excess tax benefit from stock options exercised		9,000			9,000
Share-based compensation expense		24,000			24,000
Net income					1,041,000
Other comprehensive loss			(1,523,000)		$ (1,523,000)
Balance (in shares) at Dec. 31, 2015	17,850,456				17,850,456
Balance at Dec. 31, 2015	$ 178,000	16,526,000	(148,000)	19,556,000	$ 36,112,000
Options exercised (in shares)	15,000				15,000
Options exercised		17,000			$ 17,000
Common stock repurchased and retired (in shares)	(2,453,900)				(2,453,900)
Common stock repurchased and retired	$ (24,000)	(6,749,000)			$ (6,773,000)
Excess tax benefit from stock options exercised		6,000			6,000
Share-based compensation expense		190,000			190,000
Net income					3,168,000
Other comprehensive loss			(56,000)		$ (56,000)
Balance (in shares) at Dec. 31, 2016	15,411,556				15,411,556
Balance at Dec. 31, 2016	$ 154,000	$ 9,990,000	$ (204,000)	$ 22,724,000	$ 32,664,000