CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid in capital	Retained earnings (accumulated deficit)	Accumulated other comprehensive income	Treasury stock
Beginning balance at Dec. 31, 2018	$ 25,324	$ 0	$ 33,939	$ (2,782)	$ 4,337	$ (10,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	455		455
Repurchase of common stock	0		(71)			71
Treasury Stock, Value, Acquired, Cost Method	(305)		0			(305)
Release of restricted stock	9		(39)			48
Foreign currency translation	(607)				(607)
Pension obligations, net of tax of $10	27				27
Issuance of unrestricted shares	280		(141)			421
Net loss	3,289			3,289
Dividends, Common Stock, Cash	(1,200)			(1,200)
Ending balance at Dec. 31, 2019	27,275	0	34,143	(690)	3,757	(9,935)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	124		124
Treasury Stock, Value, Acquired, Cost Method	(6,256)		0			(6,256)
Release of restricted stock	323		(315)			638
Foreign currency translation	1,358				1,358
Pension obligations, net of tax of $10	35				35
Issuance of unrestricted shares	210		(157)			367
Net loss	6,261			6,261
Dividends, Common Stock, Cash	(3,358)			(3,358)
Ending balance at Dec. 31, 2020	$ 25,972	$ 0	$ 33,795	$ 2,213	$ 5,150	$ (15,186)