CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ 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	(974)	$ 0	0	(974)	0	0
Stock-based compensation	1,156	0	1,156	0	0	0
Issuance of common stock upon exercise of stock options	330	$ 2	328	0	0	0
Issuance of common stock upon exercise of stock options (in shares)		289
Restricted shares withheld for taxes	(14)	$ 0	(14)	0	0	0
Restricted shares withheld for taxes (in shares)		(5)
Acquisition of non-controlling interest	(1,653)	$ 0	(1,653)	0	0	0
Pension liability adjustments, net of taxes	613	0	0	0	613	0
Foreign currency translation adjustment	(447)	0	0	0	(447)	0
Change in fair value of derivatives, net of taxes	239	0	0	0	239	0
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	(2,826)	$ 0	0	(2,826)	0	0
Stock-based compensation	1,326	0	1,326	0	0	0
Issuance of common stock for MediaMiser acquisition	486	$ 2	484	0	0	0
Issuance of common stock for MediaMiser acquisition (in shares)		188
Pension liability adjustments, net of taxes	1,026	$ 0	0	0	1,026	0
Foreign currency translation adjustment	(995)	0	0	0	(995)	0
Change in fair value of derivatives, net of taxes	172	0	0	0	172	0
Purchase of treasury stock	(200)	$ 0	0	0	0	(200)
Purchase of treasury stock (in shares)		(80)
Balance at Dec. 31, 2015	38,212	$ 270	24,590	17,924	(84)	(4,488)
Balance (in shares) at Dec. 31, 2015		25,445
Net loss	(5,524)	$ 0	0	(5,524)	0	0
Stock-based compensation	1,162	0	1,162	0	0	0
Issuance of common stock for MediaMiser acquisition	569	$ 3	566	0	0	0
Issuance of common stock for MediaMiser acquisition (in shares)		236
Acquisition of non-controlling interest	(261)	$ 0	(261)	0	0	0
Pension liability adjustments, net of taxes	(136)	0	0	0	(136)	0
Foreign currency translation adjustment	49	0	0	0	49	0
Change in fair value of derivatives, net of taxes	(153)	0	0	0	(153)	0
Purchase of treasury stock	(134)	$ 0	0	0	0	(134)
Purchase of treasury stock (in shares)		(57)
Balance at Dec. 31, 2016	$ 33,784	$ 273	$ 26,057	$ 12,400	$ (324)	$ (4,622)
Balance (in shares) at Dec. 31, 2016		25,624