Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	No Par, Common Stock	Retained Earnings (Accumulated deficit)	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period (in shares) at Dec. 31, 2017		8,520,328
Balance at beginning of period at Dec. 31, 2017	$ 52,826	$ 86,199	$ (33,010)	$ (363)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(4,451)		(4,451)
Restricted stock unit expense, net	716
Other comprehensive income (loss)	(2,552)			(2,552)
Balance at end of period (in shares) at Sep. 30, 2018		8,602,703
Balance at end of period at Sep. 30, 2018	46,539	$ 86,915	(36,982)	(3,394)
Balance at beginning of period (in shares) at Jun. 30, 2018		8,520,328
Balance at beginning of period at Jun. 30, 2018	50,168	$ 86,659	(33,431)	(3,060)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,551)		(3,551)
Restricted stock unit expense, net (in shares)		82,375
Restricted stock unit expense, net	256	$ 256
Other comprehensive income (loss)	(334)			(334)
Balance at end of period (in shares) at Sep. 30, 2018		8,602,703
Balance at end of period at Sep. 30, 2018	46,539	$ 86,915	(36,982)	(3,394)
Balance at beginning of period (in shares) at Dec. 31, 2018		8,478,202
Balance at beginning of period at Dec. 31, 2018	42,163	$ 86,533	(41,758)	(2,612)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(4,794)		(4,794)
Repurchase of common stock (in shares)		(162,875)
Repurchase of common stock	(674)	$ (674)
Issuance of common stock private placement (in shares)		1,176,471
Issuance of common stock private placement	5,000	$ 5,000
Restricted stock unit expense, net (in shares)		97,075
Restricted stock unit expense, net	719	$ 719
Other comprehensive income (loss)	3,068			3,068
Balance at end of period (in shares) at Sep. 30, 2019		9,588,873
Balance at end of period at Sep. 30, 2019	45,482	$ 91,578	(46,552)	456
Balance at beginning of period (in shares) at Jun. 30, 2019		9,519,550
Balance at beginning of period at Jun. 30, 2019	46,509	$ 91,410	(45,322)	421
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,230)		(1,230)
Repurchase of common stock (in shares)		(17,752)
Repurchase of common stock	(66)	$ (66)
Issuance of common stock private placement	0
Restricted stock unit expense, net (in shares)		87,075
Restricted stock unit expense, net	234	$ 234
Other comprehensive income (loss)	35			35
Balance at end of period (in shares) at Sep. 30, 2019		9,588,873
Balance at end of period at Sep. 30, 2019	$ 45,482	$ 91,578	$ (46,552)	$ 456