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SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]      
Credit terms, billing term, lower limit 10 days    
Credit terms, billing term, upper limit 60 days    
Sales volume discounts $ 600 $ 300 $ 600
Allowances for doubtful accounts 118 192  
Revenue, Major Customer [Line Items]      
Changes in excess and obsolete inventory 200 200 2,000
Brand name and trademark 1,510 1,510  
Shipping and handling costs 200 100 100
Advertising Expense 700 500 500
Research and development costs $ 2,618 $ 2,160 $ 1,416
Customer concentration risk      
Revenue, Major Customer [Line Items]      
Concentration risk, customer ten    
Trade receivable      
Revenue, Major Customer [Line Items]      
Concentration receivable risk (as a percent) 42.90% 48.00%  
Net Revenue      
Revenue, Major Customer [Line Items]      
Concentration receivable risk (as a percent) 54.40% 58.30% 61.00%
Net Revenue | National Distribution & Contracting Inc.      
Revenue, Major Customer [Line Items]      
Concentration receivable risk (as a percent) 9.80% 13.30% 13.90%
Net Revenue | McKesson      
Revenue, Major Customer [Line Items]      
Concentration receivable risk (as a percent) 15.90% 18.60%