CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Gross profit	$ 16,255	$ 18,604
Operating expenses
Selling, general and administrative	15,348	17,411
Depreciation and amortization	1,463	1,498
Total operating expenses	16,811	18,909
Operating loss	(556)	(305)
Interest expense	2,215	2,047
Other (income) expense, net	(1)	24
Loss before income taxes	(2,770)	(2,376)
Income tax provision (benefit)	1,315	(26)
Net loss	(4,085)	(2,350)
Net loss attributable to common stockholders	(5,847)	(3,701)
Net loss	(4,085)	(2,350)
Other comprehensive income, net of tax:
Foreign currency translation adjustment	763	84
Other comprehensive income	763	84
Comprehensive loss	$ (3,322)	$ (2,266)
Loss per common share - basic
Loss per common share - basic (in dollars per share)	$ (0.43)	$ (0.28)
Loss per common share - diluted
Loss per common share - diluted (in dollars per share)	$ (0.43)	$ (0.28)
Weighted average shares outstanding
Basic (in shares)	13,550	13,287
Diluted (in shares)	13,550	13,287
Product
Net sales	$ 38,818	$ 40,103
Cost of goods sold	$ 22,563	$ 21,499