Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021					16,127,505
Balance at Dec. 31, 2021	$ (76)	$ (76)			$ 16	$ 69,351	$ 163,836	$ (6,213)	$ 226,990
Common shares issued upon exercise of options and SARs, net (in shares)					15,702
Common shares issued upon exercise of options and SARs, net						354	(158)		196
Performance based shares issued (in shares)			23,677		11,707
Performance based shares issued									0
Restricted shares issued, net of forfeitures (in shares)			23,677		11,707
Restricted shares issued, net of forfeitures				$ 0
Share-based compensation expense						1,212			1,212
Tax withheld on vesting of restricted shares and performance based shares (in shares)					(7,557)
Tax withheld on vesting of restricted shares and performance based shares						(232)			(232)
Cash dividends declared							(1,918)		(1,918)
Net income							5,230		5,230
Cash flow hedges, net of taxes								(5)	(5)
Pensions, net of taxes								319	319
Change in currency translation adjustment, net of taxes								862	862
Balance (in shares) at Mar. 31, 2022					16,171,034
Balance at Mar. 31, 2022					$ 16	70,685	166,914	(5,037)	$ 232,578
Balance (in shares) at Dec. 31, 2022					16,376,683				16,376,683
Balance at Dec. 31, 2022					$ 16	72,615	122,979	(3,011)	$ 192,599
Common shares issued upon exercise of options and SARs, net						35			35
Restricted shares issued, net of forfeitures									0
Share-based compensation expense						1,080			1,080
Cash dividends declared							(2,295)		(2,295)
Net income							888		888
Pensions, net of taxes								41	41
Change in currency translation adjustment, net of taxes								307	$ 307
Balance (in shares) at Mar. 31, 2023					16,498,312				16,498,312
Balance at Mar. 31, 2023					$ 16	$ 73,730	$ 121,572	$ (2,663)	$ 192,655
Common shares issued upon exercise of options and SARs, net (in shares)					4,604				4,604
Restricted shares issued, net of forfeitures (in shares)					117,025