Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member] Additional Paid-in Capital [Member]	Restricted Stock [Member] Retained Earnings [Member]	Restricted Stock [Member] AOCI Attributable to Parent [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	$ 0	$ 0	$ (76)	$ 0	$ (76)						$ 16	$ 69,351	$ 163,836	$ (6,213)	$ 226,990
Common shares issued upon exercise of options and SARs, net (in shares)											48,011
Common shares issued upon exercise of options and SARs, net											$ 0	653	(158)	0	495
Restricted shares issued, net of forfeitures (in shares)						21,843					11,707
Restricted shares issued, net of forfeitures						$ 0	$ 0	$ 0	$ 0	$ 0
Restricted shares issued in conjunction with acquisition of business (in shares)											116,550
Restricted shares issued in conjunction with acquisition of business											$ 0	2,000	0	0	2,000
Share-based compensation expense											0	2,454	0	0	2,454
Written put option											0	(3,597)	0	0	(3,597)
Cash dividends declared											0	0	(4,171)	0	(4,171)
Net income (loss)											0	0	(21,445)	0	(21,445)
Cash flow hedges, net of taxes											0	0	0	(10)	(10)
Pensions, net of taxes											0	0	0	638	638
Change in currency translation adjustment, net of taxes											$ 0	0	0	99	99
Performance based shares issued (in shares)						21,843					11,707
Performance based shares issued											$ 0	0	0	0	0
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											$ 0	(232)	0	0	(232)
Balance (in shares) at Jun. 30, 2022											16,318,059
Balance at Jun. 30, 2022											$ 16	70,629	137,986	(5,486)	203,145
Balance (in shares) at Mar. 31, 2022											16,171,034
Balance at Mar. 31, 2022											$ 16	70,685	166,914	(5,037)	232,578
Common shares issued upon exercise of options and SARs, net (in shares)											32,309
Common shares issued upon exercise of options and SARs, net											$ 0	299	0	0	299
Restricted shares issued, net of forfeitures (in shares)						(1,834)
Restricted shares issued, net of forfeitures						$ 0	$ 0	$ 0	$ 0	$ 0
Restricted shares issued in conjunction with acquisition of business (in shares)											116,550
Restricted shares issued in conjunction with acquisition of business											$ 0	2,000	0	0	2,000
Share-based compensation expense											0	1,242	0	0	1,242
Written put option											0	(3,597)	0	0	(3,597)
Cash dividends declared											0	0	(2,253)	0	(2,253)
Net income (loss)											0	0	(26,675)	0	(26,675)
Cash flow hedges, net of taxes											0	0	0	(5)	(5)
Pensions, net of taxes											0	0	0	319	319
Change in currency translation adjustment, net of taxes											$ 0	0	0	(763)	(763)
Performance based shares issued (in shares)						(1,834)
Balance (in shares) at Jun. 30, 2022											16,318,059
Balance at Jun. 30, 2022											$ 16	70,629	137,986	(5,486)	$ 203,145
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											0	43	0	0	43
Restricted shares issued, net of forfeitures											0	0	0	0	0
Share-based compensation expense											0	2,420	0	0	2,420
Cash dividends declared											0	0	(4,590)	0	(4,590)
Net income (loss)											0	0	2,101	0	2,101
Pensions, net of taxes											0	0	0	82	82
Change in currency translation adjustment, net of taxes											$ 0	0	0	584	$ 584
Common shares issued upon exercise of options and SARs, net (in shares)											5,604				5,604
Restricted shares issued, net of forfeitures (in shares)											117,025
Balance (in shares) at Jun. 30, 2023											16,499,312				16,499,312
Balance at Jun. 30, 2023											$ 16	75,078	120,490	(2,345)	$ 193,239
Balance (in shares) at Mar. 31, 2023											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											0	8	0	0	8
Share-based compensation expense											0	1,340	0	0	1,340
Cash dividends declared											0	0	(2,295)	0	(2,295)
Net income (loss)											0	0	1,213	0	1,213
Pensions, net of taxes											0	0	0	41	41
Change in currency translation adjustment, net of taxes											$ 0	0	0	277	$ 277
Common shares issued upon exercise of options and SARs, net (in shares)											1,000
Balance (in shares) at Jun. 30, 2023											16,499,312				16,499,312
Balance at Jun. 30, 2023											$ 16	$ 75,078	$ 120,490	$ (2,345)	$ 193,239