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)
44651 at Mar. 31, 2021	26,343	0	33,757	4,074	3,794	(15,282)
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)
44651 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)