CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - (UNAUDITED) - USD ($) $ in Thousands	Total	Common stock Par value	Additional paid-in capital	Retained earnings (accumulated deficit)	Accumulated other comprehensive income	Treasury stock
44286 at Dec. 31, 2019	$ 27,275	$ 0	$ 34,143	$ (690)	$ 3,757	$ (9,935)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,787			2,787
Payment of cash dividends	(300)			(300)
Charge related to stock-based compensation	83		83
Issuance of unrestricted shares	210		(163)			373
Repurchase of common stock	(86)					(86)
Foreign currency translations	(1,634)				(1,634)
44286 at Mar. 31, 2020	28,335	0	34,063	1,797	2,123	(9,648)
44286 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)
44286 at Mar. 31, 2021	$ 26,343	$ 0	$ 33,757	$ 4,074	$ 3,794	$ (15,282)