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Commitments and Contingencies - Operating Leases (Details)
1 Months Ended 3 Months Ended
Sep. 20, 2018
May 18, 2018
Dec. 14, 2017
Sep. 25, 2017
USD ($)
Mar. 31, 2019
USD ($)
Y
$ / shares
shares
Mar. 31, 2019
USD ($)
Y
$ / shares
shares
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Aug. 28, 2018
ft²
Nov. 30, 2016
shares
Commitments and Contingencies                    
Monthly base rent for first twelve months           $ 38,392        
Monthly base rent for subsequent twelve months           39,544        
Monthly base rent for final months           40,730        
Standby letter of credit received as collateral           $ 475,000        
Term         4 months 5 years        
Warrants to purchase (in shares) | shares         670,586 670,586       111,111
Exercise price (in dollars per share) | $ / shares         $ 0.70 $ 0.70        
Fair value of warrant         $ 493,688 $ 493,688        
Fair value of warrants included in stockholders equity           493,688        
Non-cash rent expense per month           19,748        
Percentage of amount received to be paid to Glenmark       25.00%            
Maximum amount to be received by Glenmark       $ 7,000,000            
Payments made to date to Glenmark       $ 0            
Payments made to date to SEED           0        
Reverse stock split ratio   0.0667                
Period to amend complaint from date of dismissal 20 days                  
Minimum                    
Commitments and Contingencies                    
Lease expense under non-cancelable operating lease           38,391        
Maximum                    
Commitments and Contingencies                    
Lease expense under non-cancelable operating lease           40,730        
Letter of credit                    
Commitments and Contingencies                    
Letter of Credit               $ 475,000    
Letter of credit | Shareholder                    
Commitments and Contingencies                    
Letter of Credit               122,000    
Letter of credit cancelled               $ 122,000    
SEED                    
Commitments and Contingencies                    
Percentage of revenue sharing commitment     15.00%              
Percentage of revenue sharing commitment after first million dollars of revenue     20.00%              
Sagard Capital Partners, L.P.                    
Commitments and Contingencies                    
Commitment to purchase Bridge Notes           500,000        
Issuance of notes payable         $ 0 0        
General and administrative expense                    
Commitments and Contingencies                    
Lease expense under non-cancelable operating lease           $ 171,750 $ 90,278      
Strike price                    
Commitments and Contingencies                    
Warrants - Measurement input | $ / shares         0.84 0.84        
Expected life                    
Commitments and Contingencies                    
Warrants - Measurement input | Y         5 5        
Volatility                    
Commitments and Contingencies                    
Warrants - Measurement input         132 132        
Risk free rate                    
Commitments and Contingencies                    
Warrants - Measurement input         2.77 2.77        
Dividend rate                    
Commitments and Contingencies                    
Warrants - Measurement input         0 0        
Office lease extension agreement                    
Commitments and Contingencies                    
Area (in square feet) | ft²                 6,311