Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenues	$ 114,402	$ 106,522
Cost of goods sold	90,991	85,085
Gross profit	23,411	21,437
Operating expenses
Selling, general and administrative	19,994	21,527
Restructuring, integration and impairment	2,426	5,577
Foreign exchange gain	(364)	(367)
Total operating expenses	22,056	26,737
Operating income (loss)	1,355	(5,300)
Interest expense	1,736	748
Other (income) expense	(205)	2,535
Income (loss) before taxes	(176)	(8,583)
Income tax expense (benefit)	887	(2,702)
Net loss	$ (1,063)	$ (5,881)
Net loss per common share:
Basic (in dollars per share)	$ (0.12)	$ (0.76)
Diluted (in dollars per share)	$ (0.12)	$ (0.76)
Weighted average common shares outstanding:
Basic (in shares)	8,700	7,746
Diluted (in shares)	8,700	7,746