CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Common Stock	Common Stock	Additional Paid-In Capital	Retained Earnings / Accumulated Deficit	Other Comprehensive Income / Loss	Total
Balance at beginning at Dec. 31, 2015	$ 46,709	$ 764	$ 13,965	$ (14,065)	$ (456)
Balance at beginning (in shares) at Dec. 31, 2015	23,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				115
Exercise of common stock warrants	$ 2	(1)
Exercise of common stock warrants (in shares)	1
Other comprehensive income, net of tax					59
Balance at end at Mar. 31, 2017	$ 46,711	$ 763	13,965	(13,950)	(397)
Balance at end (in shares) at Mar. 31, 2017	23,355
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				80		$ 80
Other comprehensive income, net of tax					(821)	(821)
Balance at end at Mar. 31, 2018	$ 47,844		$ 14,570	$ (10,767)	$ (1,415)	$ 50,232
Balance at end (in shares) at Mar. 31, 2018	23,922					23,922,086