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, 2020	$ 44,413	$ 92,486	$ (48,985)	$ 912
Balance at beginning of period (in shares) at Dec. 31, 2020		9,681,728
Net income (loss)	(4,636)		(4,636)
Stock-based compensation expense	66	$ 66
Other comprehensive income (loss)	(2,867)			(2,867)
Balance at end of period at Mar. 31, 2021	36,976	$ 92,552	(53,621)	(1,955)
Balance at ending of period (in shares) at Mar. 31, 2021		9,681,728
Balance at beginning of period at Dec. 31, 2021	40,503	$ 92,692	(50,079)	(2,110)
Balance at beginning of period (in shares) at Dec. 31, 2021		9,707,817
Net income (loss)	(2,870)		(2,870)
Stock-based compensation expense	38	$ 38
Other comprehensive income (loss)	(7,287)			(7,287)
Balance at end of period at Mar. 31, 2022	$ 30,384	$ 92,730	$ (52,949)	$ (9,397)
Balance at ending of period (in shares) at Mar. 31, 2022		9,707,817