Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [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 at Dec. 31, 2020	$ 405	$ 0	$ 288,700	$ (85,543)	$ (4,529)	$ (8)	$ (2,749)	$ 196,276	$ 50,606	$ 246,882
Issuance of common stock (in shares)	342,717	0
Issuance of common stock	$ 3	$ 0	1,280	0	0	0	0	1,283	0	1,283
Net income (loss)	0	0	0	(5,270)	0	0	0	(5,270)	3,535	(1,735)
Other comprehensive income (loss)	0	0	0	0	(1,968)	8	(352)	(2,312)	(69)	(2,381)
Share-based compensation expenses	0	0	591	0	0	0	0	591	0	591
Warrant expense	$ 0	$ 0	830	0	0	0	0	830	0	830
Balance (in shares) at Jun. 30, 2021	40,796,179	0
Balance at Jun. 30, 2021	$ 408	$ 0	291,401	(90,813)	(6,497)	0	(3,101)	191,398	54,072	245,470
Balance (in shares) at Dec. 31, 2020	40,453,462	0
Balance (in shares) at Jun. 30, 2021	40,796,179	0
Balance at Dec. 31, 2020	$ 405	$ 0	288,700	(85,543)	(4,529)	(8)	(2,749)	196,276	50,606	246,882
Balance at Dec. 31, 2021	$ 409	$ (1,912)	291,537	(84,043)	(6,816)	0	(3,871)	195,304	58,016	253,320
Balance (in shares) at Dec. 31, 2020	40,453,462	0
Balance (in shares) at Dec. 31, 2021	40,893,396	412,769
Balance (in shares) at Mar. 31, 2021	40,781,804	0
Balance at Mar. 31, 2021	$ 408	$ 0	290,646	(97,698)	(5,621)	0	(3,064)	184,671	52,837	237,508
Issuance of common stock (in shares)	14,375	0
Issuance of common stock	$ 0	$ 0	39	0	0	0	0	39	0	39
Net income (loss)	0	0	0	6,885	0	0	0	6,885	1,235	8,120
Other comprehensive income (loss)	0	0	0	0	(876)	0	(37)	(913)	0	(913)
Share-based compensation expenses	0	0	311	0	0	0	0	311	0	311
Warrant expense	$ 0	$ 0	405	0	0	0	0	405	0	405
Balance (in shares) at Jun. 30, 2021	40,796,179	0
Balance at Jun. 30, 2021	$ 408	$ 0	291,401	(90,813)	(6,497)	0	(3,101)	191,398	54,072	245,470
Balance (in shares) at Jun. 30, 2021	40,796,179	0
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)	103,170	0
Issuance of common stock	$ 1	$ 0	245	0	0	0	0	246	0	246
Net income (loss)	0	0	0	624	0	0	0	624	2,290	2,914
Other comprehensive income (loss)	$ 0	$ 0	0	0	(3,389)	0	(312)	(3,701)	(374)	$ (4,075)
Total Number of Shares Purchased (in shares)	0	279,407								279,407
Repurchase of common stock	$ 0	$ (1,334)	0	0	0	0	0	(1,334)	0	$ (1,334)
Share-based compensation expenses	$ 0	$ 0	833	0	0	0	0	833	0	833
Balance (in shares) at Jun. 30, 2022	40,996,566	692,176
Balance at Jun. 30, 2022	$ 410	$ (3,246)	292,615	(83,419)	(10,205)	0	(4,183)	191,972	59,932	251,904
Balance (in shares) at Dec. 31, 2021	40,893,396	412,769
Balance (in shares) at Jun. 30, 2022	40,996,566	692,176
Balance (in shares) at Mar. 31, 2022	40,953,221	672,176
Balance at Mar. 31, 2022	$ 410	$ (3,183)	292,104	(85,286)	(6,268)	0	(4,353)	193,424	58,890	252,314
Issuance of common stock (in shares)	43,345	0
Issuance of common stock	$ 0	$ 0	106	0	0	0	0	106	0	106
Share-based compensation expenses	0	0	405	0	0	0	0	405	0	405
Net income (loss)	0	0	0	1,867	0	0	0	1,867	761	2,628
Other comprehensive income (loss)	$ 0	$ 0	0	0	(3,937)	0	170	(3,767)	281	(3,486)
Total Number of Shares Purchased (in shares)	0	20,000
Repurchase of common stock	$ 0	$ (63)	0	0	0	0	0	(63)	0	(63)
Balance (in shares) at Jun. 30, 2022	40,996,566	692,176
Balance at Jun. 30, 2022	$ 410	$ (3,246)	$ 292,615	$ (83,419)	$ (10,205)	$ 0	$ (4,183)	$ 191,972	$ 59,932	$ 251,904
Balance (in shares) at Jun. 30, 2022	40,996,566	692,176