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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
 3 Months Ended
Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
Concentration risks      
Number of significant customers 3 1  
Aggregate dollar amount of net sales to significant customers $ 6,040,378 $ 7,173,112  
Revenue recognition      
Estimated contractual allowance 3,167,259   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 | Customer concentration risk
      
Concentration risks      
Aggregate dollar amount of net sales to significant customers $ 3,000,000 $ 1,400,000  
Concentration risk (as a percent) 49.10% 19.20%  
Product components | Supplier concentration risk
      
Concentration risks      
Concentration risk (as a percent) 53.30% 70.80%  
Product components | Supplier concentration risk | Other Chinese manufacturers
      
Concentration risks      
Concentration risk (as a percent) 11.10%