CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Common Stock Warrants [Member]	Additional Paid-in Capital [Member]	Retained Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at beginning at Dec. 31, 2016	$ 46,709	$ 764	$ 13,965	$ (14,065)	$ (456)	$ 46,917
Balance at beginning (in shares) at Dec. 31, 2016	23,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				2,692		2,692
Exercise of common stock warrants	$ 4	(2)	1			3
Exercise of common stock warrants (in shares)	2
Other comprehensive income (loss), net of tax					401	401
Balance at end at Jun. 30, 2017	$ 46,713	762	13,966	(11,373)	(55)	50,013
Balance at end (in shares) at Jun. 30, 2017	23,356
Balance at beginning at Dec. 31, 2017	$ 47,844		14,570	(10,847)	(594)	$ 50,973
Balance at beginning (in shares) at Dec. 31, 2017	23,922					23,922,086
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				31		$ 31
Other comprehensive income (loss), net of tax					(985)	(985)
Balance at end at Jun. 30, 2018	$ 47,844		$ 14,570	$ (10,816)	$ (1,579)	$ 50,019
Balance at end (in shares) at Jun. 30, 2018	23,922					23,922,086