CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - (UNAUDITED) - USD ($) $ in Thousands	Total	Common stock Par value	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income	Treasury stock
44651 at Dec. 31, 2020	$ 25,972	$ 0	$ 33,795	$ 2,213	$ 5,150	$ (15,186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,194			2,194
Payment of cash dividends	(333)			(333)
Charge related to stock-based compensation	6		6
Issuance of unrestricted shares	210		(44)			254
Repurchase of common stock	(350)					(350)
Foreign currency translations	(1,356)				(1,356)
44742 at Mar. 31, 2021	26,343	0	33,757	4,074	3,794	(15,282)
44651 at Dec. 31, 2020	25,972	0	33,795	2,213	5,150	(15,186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,323
Foreign currency translations	(1,284)
44742 at Jun. 30, 2021	23,732	0	33,758	5,873	3,866	(19,765)
44651 at Mar. 31, 2021	26,343	0	33,757	4,074	3,794	(15,282)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,129			2,129
Payment of cash dividends	(330)			(330)
Charge related to stock-based compensation	29		29
Repurchase of common stock	(4,511)					(4,511)
Foreign currency translations	72				72
44742 at Jun. 30, 2021	23,732	0	33,758	5,873	3,866	(19,765)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income Taxes Paid	0		28			28
44651 at Dec. 31, 2021	24,412	0	33,277	7,708	2,342	(18,915)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	134			134
Payment of cash dividends	(390)			(390)
Charge related to stock-based compensation	7		7
Issuance of unrestricted shares	240		97			143
Foreign currency translations	(673)				(673)
44742 at Mar. 31, 2022	23,730	0	33,359	7,452	1,669	(18,750)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income Taxes Paid	0		22			(22)
44651 at Dec. 31, 2021	24,412	0	33,277	7,708	2,342	(18,915)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	828
Foreign currency translations	(2,834)
44742 at Jun. 30, 2022	21,278	0	33,407	7,756	(492)	(19,393)
44651 at Mar. 31, 2022	23,730	0	33,359	7,452	1,669	(18,750)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	694			694
Payment of cash dividends	(390)			(390)
Charge related to stock-based compensation	48		48
Repurchase of common stock	(643)					(643)
Foreign currency translations	(2,161)				(2,161)
44742 at Jun. 30, 2022	$ 21,278	$ 0	$ 33,407	$ 7,756	$ (492)	$ (19,393)