ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ACCRUED EXPENSES
Accrued rebates, returns and discounts	$ 10,345
Accrued bonuses	2,089	$ 2,210
Accrued payroll and related benefits	1,762	1,217
Accrued incentive compensation	1,671	1,160
Accrued development costs	1,120	2,485
Accrued sales and marketing	1,076	801
Accrued other operating costs	792	572
Accrued audit and legal	404	416
Accrued interest	9	18
Total accrued expenses	$ 19,268	$ 8,879