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Debt - 2019 Bridge Notes (Details)
3 Months Ended 4 Months Ended 9 Months Ended
Jul. 23, 2019
USD ($)
Jun. 26, 2019
USD ($)
item
Jun. 30, 2019
USD ($)
item
Sep. 30, 2019
USD ($)
Feb. 28, 2015
USD ($)
Convertible Promissory Notes and Common Stock Warrants [Line Items]          
Principal amount         $ 150,000
Net cash proceeds       $ 5,050,000  
Fair value of warrant       $ 493,688  
2019 Bridge Notes          
Convertible Promissory Notes and Common Stock Warrants [Line Items]          
Number of promissory notes issued | item   21 21    
Principal amount     $ 5,050,000    
Net cash proceeds   $ 5,050,000      
Interest rate (as a percent)   12.00%      
Fair value of warrant   $ 5,005,739      
Repayments of Debt $ 5,192,923        
Principal amount pertaining to repayment of Notes payable 5,050,000        
Accrued Interest pertaining to repayment of Notes payable 142,923        
Extinguishment loss on repayment of Notes $ 335,753        
Fourteen Promissory Notes [Member]          
Convertible Promissory Notes and Common Stock Warrants [Line Items]          
Number of promissory notes issued | item   14 14    
Principal amount   $ 3,550,000 $ 3,550,000    
Warrant coverage percentage   125.00% 125.00%    
Seven Promissory Notes [Member]          
Convertible Promissory Notes and Common Stock Warrants [Line Items]          
Number of promissory notes issued | item   7 7    
Principal amount   $ 1,500,000 $ 1,500,000    
Warrant coverage percentage   75.00% 75.00%