CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning Balance at Dec. 31, 2017	$ 42	$ (39)	$ 61,955	$ 25,929	$ 87,887
Beginning balance (in shares) at Dec. 31, 2017	4,173,675
Increase (Decrease) in Stockholders' Equity
Net Income				1,409	1,409
Ending Balance at Jun. 30, 2018	$ 42	$ (39)	$ 61,955	$ 27,338	$ 89,296
Ending Balance (in shares) at Jun. 30, 2018	4,173,675