Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock, Common [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] Accumulated Foreign Currency Adjustment Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Treasury Stock, Common [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Foreign Currency Adjustment Attributable to Parent [Member]	Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]	Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2021											40,893,396	412,769
Balance at Dec. 31, 2021											$ 409	$ (1,912)	$ 291,537	$ (84,043)	$ (6,816)	$ 0	$ (3,871)	$ 195,304	$ 58,016	$ 253,320
Issuance of common stock (in shares)											59,825	0
Issuance of common stock											$ 1	$ 0	139	0	0	0	0	140	0	140
Income (loss) from continuing operations, net of tax											0	0	0	(767)	0	0	0	(767)	0	(767)
less: Income (loss) from discontinued operations, net of tax											0	0	0	(476)	0	0	0	(476)	1,529	1,053
Other Comprehensive Income (Loss) from Continuing Operations, Net of Tax											0	0	0	0	546	0	64	610	0	610
Other Comprehensive Income (Loss) from Discontinued Operations, Net of Tax											$ 0	$ 0	0	0	1	0	(545)	(544)	(655)	(1,199)
Repurchase of common stock (in shares)											0	259,407
Repurchase of common stock											$ 0	$ (1,271)	0	0	0	0	0	(1,271)	0	(1,271)
Share-based compensation expenses											$ 0	$ 0	428	0	0	0	0	428	0	428
Balance (in shares) at Mar. 31, 2022											40,953,221	672,176
Balance at Mar. 31, 2022											$ 410	$ (3,183)	292,104	(85,286)	(6,269)	0	(4,352)	193,424	58,890	252,314
Balance (in shares) at Dec. 31, 2022											41,098,456	839,214
Balance at Dec. 31, 2022	$ 0	$ 0	$ 0	$ (101)	$ 0	$ 0	$ 0	$ (101)	$ 0	$ (101)	$ 411	$ (3,749)	293,472	(86,302)	(11,781)	0	(4,277)	187,774	63,792	251,566
Issuance of common stock (in shares)											34,768	0
Issuance of common stock											$ 0	$ 0	17	0	0	0	0	17	0	17
Share-based compensation expenses											0	0	380	0	0	0	0	380	0	380
Income (loss) from continuing operations, net of tax											0	0	0	(558)	0	0	0	(558)	0	(558)
less: Income (loss) from discontinued operations, net of tax											0	0	0	(112)	0	0	0	(112)	2,589	2,477
Other Comprehensive Income (Loss) from Continuing Operations, Net of Tax											0	0	0	0	(124)	0	124	0	0	0
Other Comprehensive Income (Loss) from Discontinued Operations, Net of Tax											$ 0	$ 0	0	0	0	0	511	511	614	1,125
Repurchase of common stock (in shares)											0	0
Repurchase of common stock											$ 0	$ 0	0	0	0	0	0	0	0	0
Balance (in shares) at Mar. 31, 2023											41,133,224	839,214
Balance at Mar. 31, 2023											$ 411	$ (3,749)	$ 293,869	$ (87,073)	$ (11,905)	$ 0	$ (3,642)	$ 187,911	$ 66,995	$ 254,906