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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Reimbursable Third-Party Patent Costs, Third party Royalties and Royalty Buy-Down (Details)
3 Months Ended 81 Months Ended
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Payment
Mar. 31, 2012
USD ($)
Reimbursable Third-Party Patent Costs [Abstract]        
Accrued patent costs $ 40,000   $ 40,000  
Third-Party Royalties [Abstract]        
Royalty expenses 400,000 $ 500,000    
Royalty Buy-Down [Abstract]        
Deferred royalty buy-down $ 0   $ 200,000 $ 1,500,000
Deferred royalty buy-down, number of additional cash payments | Payment     5  
Deferred royalty buy-down, five additional capitalized cost     $ 600,000  
Deferred costs, amortization period 5 years      
Deferred royalty buy-down, amortization expense $ 200,000 $ 500,000