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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Dec. 31, 2013
Concentration risks          
Number of significant customers 3 3 2 2  
Aggregate dollar amount of net sales to significant customers $ 10,886,680 $ 9,160,278 $ 23,803,420 $ 23,240,623  
Increase in allowance for doubtful accounts       50,000  
Revenue recognition          
Estimated contractual allowance 4,953,253   4,953,253   3,611,692
Change to reserve regarding non-contractual rebates     0    
Period for return of incorrect shipments     10 days    
Number of times overstocking returns are limited     2    
Period for return of product due to overstock     12 months    
Maximum percentage of distributor's total purchase for the prior 12-month period     1.00%    
Sales [Member] | Customer Concentration Risk [Member]
         
Concentration risks          
Aggregate dollar amount of net sales to significant customers $ 6,000,000 $ 4,300,000 $ 9,000,000 $ 7,600,000  
Concentration risk (as a percent) 55.00% 47.40% 37.60% 32.90%  
Cost of Goods, Product Line [Member] | Supplier Concentration Risk [Member]
         
Concentration risks          
Concentration risk (as a percent) 78.30% 75.60% 70.80% 73.10%