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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period $ 3,043,000 $ 1,878,000 $ 393,000
Accruals 10,746,000 8,323,000 4,029,000
Payments (Credits)   (7,158,000)  
End of Period   3,043,000 1,878,000
Accrued rebates and chargebacks      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period 321,000 402,000  
Accruals   881,000  
Payments (Credits) (1,544,000)   (299,000)
End of Period 797,000 321,000 402,000
Accrued returns      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period 1,559,000    
Accruals 339,000 829,000 802,000
Payments (Credits)   (167,000) (39,000)
End of Period   1,559,000  
Accrued wholesaler service fees      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period 588,000 266,000  
Payments (Credits)     (880,000)
End of Period 745,000 588,000 266,000
Subtotal      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period   1,565,000  
Accruals   4,490,000  
Payments (Credits) (5,034,000)    
End of Period     1,565,000
Reserves for prompt pay discounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period 575,000 313,000  
Payments (Credits)   (3,571,000)  
End of Period   575,000 313,000
Reserves for chargebacks      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Beginning of Period 0 300,000  
End of Period $ 200,000 $ 0 $ 300,000