CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2013	$ 344	$ 43,635	$ 35,116	$ (539)	$ (5,836)	$ 72,720
Balance (in shares) at Dec. 31, 2013	17,302,000				(1,708,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			(3,651)			(3,651)
Net issuance of restricted stock awards	$ 2					2
Net issuance of restricted stock awards (in shares)	(27,000)
Equity based compensation		1,185				1,185
Stock options and awards - excess tax benefits		34				34
Translation adjustments, net of tax				(777)		(777)
Balance at Dec. 31, 2014	$ 346	44,854	31,465	(1,316)	$ (5,836)	$ 69,513
Balance (in shares) at Dec. 31, 2014	17,275,000				(1,708,000)	15,566,599
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			(891)			$ (891)
Issuance of common stock upon the exercise of stock options	$ 2	472				$ 474
Issuance of common stock upon the exercise of stock options (in shares)	94,000					94,000
Net issuance of restricted stock awards	$ (1)					$ (1)
Net issuance of restricted stock awards (in shares)	(17,000)
Equity based compensation		487				487
Stock options and awards - excess tax benefits		(60)				(60)
Translation adjustments, net of tax				(1,462)		(1,462)
Balance at Dec. 31, 2015	$ 347	$ 45,753	$ 30,574	$ (2,778)	$ (5,836)	$ 68,060
Balance (in shares) at Dec. 31, 2015	17,352,000				(1,708,000)	15,644,729