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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) |  | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 USD ($) | Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) item | Dec. 31, 2013 USD ($) item
Concentration risks |  |  |  |
Number of significant customers | item |  | 2 | 3 | 2
Aggregate dollar amount of net sales to significant customers |  | $ 29,552,200 | $ 34,520,630 | $ 30,785,127
Increase in allowance for doubtful accounts. |  | 116,395 | 27,300 | 50,000
Revenue recognition |  |  |  |
Estimated contractual allowance |  | 3,733,199 | 4,160,099 |
Change to reserve regarding non-contractual rebates |  | $ 0 |  |
Period for return of incorrect shipments |  | 10 days |  |
Number of times overstocking returns are limited | item |  | 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% |  |
Becton Dickinson and Company Case |  |  |  |
Litigation proceeds |  |  |  |
Judgment amount received pursuant to stipulation | $ 7,724,826 |  |  |
Customer Concentration Risk |  |  |  |
Concentration risks |  |  |  |
Increase in allowance for doubtful accounts. |  | $ 70,000 |  |
Sales | Customer Concentration Risk |  |  |  |
Concentration risks |  |  |  |
Aggregate dollar amount of net sales to significant customers |  | $ 13,500,000 | $ 16,500,000 | $ 9,300,000
Percentage of net sales to significant customers (as a percent) |  | 45.70% | 47.90% | 30.20%
Product components | Supplier Concentration Risk |  |  |  |
Concentration risks |  |  |  |
Percentage of net sales to significant customers (as a percent) |  | 77.70% | 73.10% | 72.90%

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