CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid in capital	Retained earnings (deficit)	Accumulated other comprehensive income	Treasury stock
Beginning balance at Dec. 31, 2016	$ 38,885	$ 0	$ 38,190	$ 7,331	$ 1,834	$ (8,470)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	246		246
Release of restricted stock	0		(306)			306
Release of restricted stock	83		(1,748)			1,831
Foreign currency translation	4,169				4,169
Pension obligations, net of tax of $10	(19)				(19)
Repurchase of common stock	(226)		(226)
Declared and paid dividends	(1,354)			(1,354)
Issuance of unrestricted shares	244		(1,228)			1,472
Net loss	(1,787)			(1,787)
Ending 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
Release of restricted stock	(2)		(73)			71
Release of restricted stock	114		(56)			170
Foreign currency translation	(1,661)				(1,661)
Pension obligations, net of tax of $10	14				14
Repurchase of common stock	(7,543)		0
Declared and paid dividends	(3,086)			(3,086)
Issuance of unrestricted shares	245		(1,748)			1,993
Net loss	(3,886)			(3,886)
Ending balance at Dec. 31, 2018	$ 25,324	$ 0	$ 33,939	$ (2,782)	$ 4,337	$ (10,170)