CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid in capital	Accumulated deficit	Accumulated other comprehensive income	Treasury stock
Beginning balance at Dec. 31, 2017	$ 40,241	$ 0	$ 34,928	$ 4,190	$ 5,984	$ (4,861)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	888		888
Repurchase of common stock	(2)		(73)			71
Treasury Stock, Value, Acquired, Cost Method	(7,543)		0			(7,543)
Release of restricted stock	114		(56)			170
Foreign currency translation	(1,661)				(1,661)
Pension obligations, net of tax of $10	14				14
Issuance of unrestricted shares	245		(1,748)			1,993
Net loss	(3,886)			(3,886)
Dividends, Common Stock, Cash	(3,086)			(3,086)
Ending 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
Prior Period Reclassification Adjustment	3			3
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)