CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2013	$ 0	$ 42,592	$ (3,746)	$ (743)	$ (14,651)	$ 23,452
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	0	678	0	0	0	678
Stock option exercises	0	(2,630)	0	0	2,714	84
Tax effect from exercise of stock options - benefit	0	32	0	0	0	32
Foreign currency translation	0	0	0	653	0	653
Pension obligations, net of tax	0	0	0	(19)	0	(19)
Net income	0	0	6,496	0	0	6,496
Balance at Dec. 31, 2014	0	40,672	2,750	(109)	(11,937)	31,376
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Charge related to stock-based compensation	0	592	0	0	0	592
Stock option exercises	0	(704)	0	0	732	28
Tax effect from exercise of stock options - expense	0	(66)	0	0	0	(66)
Foreign currency translation	0	0	0	815	0	815
Pension obligations, net of tax	0	0	0	(20)	0	(20)
Net income	0	0	5,839	0	0	5,839
Balance at Dec. 31, 2015	$ 0	$ 40,494	$ 8,589	$ 686	$ (11,205)	$ 38,564