CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2013	$ 39,973	$ 266	$ 22,963	$ 21,724	$ (692)	$ (4,288)
Balance (in shares) at Dec. 31, 2013		25,053
Net loss	(474)	$ 0	0	(474)	0	0
Stock-based compensation	544	0	544	0	0	0
Issuance of common stock upon exercise of stock options	97	$ 1	96	0	0	0
Issuance of common stock upon exercise of stock options (in shares)		200
Restricted shares withheld for taxes	(14)	$ 0	(14)	0	0	0
Restricted shares withheld for taxes (in shares)		(5)
Acquisition of non-controlling interest	(93)	$ 0	(93)	0	0	0
Pension liability adjustments, net of taxes	20	0	0	0	20	0
Foreign currency translation adjustment, net of taxes	0
Change in fair value of derivatives, net of taxes	910	0	0	0	910	0
Balance at Jun. 30, 2014	40,963	$ 267	23,496	21,250	238	(4,288)
Balance (in shares) at Jun. 30, 2014		25,248
Balance at Dec. 31, 2014	39,223	$ 268	22,780	20,750	(287)	(4,288)
Balance (in shares) at Dec. 31, 2014		25,337
Net loss	(2,639)	$ 0	0	(2,639)	0	0
Stock-based compensation	559	0	559	0	0	0
Pension liability adjustments, net of taxes	20	0	0	0	20	0
Foreign currency translation adjustment, net of taxes	(420)	0	0	0	483	0
Change in fair value of derivatives, net of taxes	483	0	0	0	(420)	0
Balance at Jun. 30, 2015	$ 37,226	$ 268	$ 23,339	$ 18,111	$ (204)	$ (4,288)
Balance (in shares) at Jun. 30, 2015		25,337