CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]
Beginning balance at Dec. 31, 2017	$ 87,887	$ 42	$ (39)	$ 61,955	$ 25,929
Beginning balance (in shares) at Dec. 31, 2017		4,173,675
Increase (Decrease) in Stockholders' Equity
Net income	702				702
Ending balance at Mar. 31, 2018	88,589	$ 42	(39)	61,955	26,231
Ending balance (in shares) at Mar. 31, 2018		4,173,675
Beginning balance at Dec. 31, 2018	$ 96,097	$ 42	(39)	61,955	34,139
Beginning balance (in shares) at Dec. 31, 2018	4,168,214	4,173,675
Increase (Decrease) in Stockholders' Equity
Net income	$ 970				970
Ending balance at Mar. 31, 2019	$ 97,067	$ 42	$ (39)	$ 61,955	$ 35,109
Ending balance (in shares) at Mar. 31, 2019	4,173,675	4,173,675