CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
NET SALES	$ 52,161	$ 36,553	$ 138,314	$ 118,402
COST OF PRODUCTS SOLD	34,999	28,096	96,767	89,652
Gross profit	17,162	8,457	41,547	28,750
COSTS AND EXPENSES:
General and administrative expenses	6,535	5,685	19,821	15,522
Selling and distribution expenses	4,446	3,832	13,420	12,352
Amortization of purchased intangible assets	1,046	1,009	3,034	3,023
Restructuring expenses	0	373	458	1,202
Goodwill impairment charge	17,584	0	17,584	0
Total costs and expenses	29,611	10,899	54,317	32,099
OPERATING LOSS	(12,449)	(2,442)	(12,770)	(3,349)
OTHER INCOME (EXPENSE):
Other income (expense), net	(436)	(157)	(965)	178
Interest expense	(367)	(265)	(1,203)	(826)
Interest income	0	0	2	2
LOSS BEFORE INCOME TAXES	(13,252)	(2,864)	(14,936)	(3,995)
INCOME TAX PROVISION	812	272	1,956	321
NET LOSS	$ (14,064)	$ (3,136)	$ (16,892)	$ (4,316)
LOSS PER SHARE
Basic (in dollars per share)	$ (0.98)	$ (0.22)	$ (1.18)	$ (0.31)
Diluted (in dollars per share)	$ (0.98)	$ (0.22)	$ (1.18)	$ (0.31)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING:
Basic (in shares)	14,368,225	14,195,921	14,333,452	14,105,594
Diluted (in shares)	14,368,225	14,195,921	14,333,452	14,105,594
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.02	$ 0.02	$ 0.06	$ 0.06