Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	No Par, Common Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period at Dec. 31, 2019	$ 42,725	$ 91,816	$ (49,580)	$ 489
Balance at beginning of period (in shares) at Dec. 31, 2019		9,592,861
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,679)		(2,679)
Repurchase of common stock	(35)	$ (35)
Repurchase of common stock (in shares)		(11,211)
Restricted stock unit expense, net	636	$ 636
Restricted stock unit expense, net (in shares)		96,813
Other comprehensive income (loss)	1,939			1,939
Balance at end of period at Sep. 30, 2020	42,586	$ 92,417	(52,259)	2,428
Balance at ending of period (in shares) at Sep. 30, 2020		9,678,463
Balance at beginning of period at Jun. 30, 2020	43,280	$ 92,275	(52,800)	3,805
Balance at beginning of period (in shares) at Jun. 30, 2020		9,598,155
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	541		541
Repurchase of common stock	(19)	$ (19)
Repurchase of common stock (in shares)		(6,505)
Restricted stock unit expense, net	161	$ 161
Restricted stock unit expense, net (in shares)		86,813
Other comprehensive income (loss)	(1,377)			(1,377)
Balance at end of period at Sep. 30, 2020	42,586	$ 92,417	(52,259)	2,428
Balance at ending of period (in shares) at Sep. 30, 2020		9,678,463
Balance at beginning of period at Dec. 31, 2020	44,413	$ 92,486	(48,985)	912
Balance at beginning of period (in shares) at Dec. 31, 2020		9,681,728
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(293)		(293)
Repurchase of common stock	(11)	$ (11)
Repurchase of common stock (in shares)		(3,547)
Stock-based compensation expense	184	$ 184
Stock-based compensation expense, Shares		27,975
Other comprehensive income (loss)	(2,185)			(2,185)
Balance at end of period at Sep. 30, 2021	42,108	$ 92,659	(49,278)	(1,273)
Balance at ending of period (in shares) at Sep. 30, 2021		9,706,156
Balance at beginning of period at Jun. 30, 2021	43,884	$ 92,612	(48,069)	(659)
Balance at beginning of period (in shares) at Jun. 30, 2021		9,689,421
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,209)		(1,209)
Repurchase of common stock	(4)	$ (4)
Repurchase of common stock (in shares)		(1,240)
Stock-based compensation expense	51	$ 51
Stock-based compensation expense, Shares		17,975
Other comprehensive income (loss)	(614)			(614)
Balance at end of period at Sep. 30, 2021	$ 42,108	$ 92,659	$ (49,278)	$ (1,273)
Balance at ending of period (in shares) at Sep. 30, 2021		9,706,156