Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2017	6,161,000
Balance at Dec. 31, 2017	$ 115	$ 81,559	$ 7,444	$ (129,183)	$ 167,669	$ 127,604
Net Income					8,676	$ 8,676
Exercise of stock options and stock awards-shares issued including tax benefits (in shares)	80,000					43,450
Exercise of stock options and stock awards-shares issued including tax benefits	$ 1	467				$ 468
Treasury stock repurchases (in shares)	(187,000)
Treasury stock repurchases				(7,531)		(7,531)
Share-based compensation		395				395
Cumulative effect adjustment – ASU 2016-01			(7,444)		7,444
Balance (in shares) at Jun. 30, 2018	6,054,000
Balance at Jun. 30, 2018	$ 116	$ 82,421		$ (136,714)	$ 183,789	$ 129,612