XML 61 R46.htm IDEA: XBRL DOCUMENT v3.20.4
Stockholders' Equity - Series C Convertible Preferred Stock (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jun. 15, 2020
May 08, 2020
Jan. 25, 2019
Jun. 30, 2020
Apr. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]              
Warrants granted (in shares)           5,831,451 7,437,454
Exercise price of warrants (in dollars per share) $ 3.05         $ 0.01  
Shares issued upon conversion (in shares)           863,852  
Conversion of stock, shares issued (in shares)       1,546,700 333,333    
Service receivable     $ 1,675,000     $ 2,171,258 $ 971,673
Deemed dividend recognized on beneficial conversion features of convertible preferred stock $ 2,700,000            
Series C Convertible Preferred Stock              
Class of Stock [Line Items]              
Shares converted (in shares)         200,000    
Series C Convertible Preferred Stock              
Class of Stock [Line Items]              
Deemed dividend recognized on beneficial conversion features of convertible preferred stock     300,000     $ 0 $ 268,269
Private Placement              
Class of Stock [Line Items]              
Amount financed under agreement   $ 2,300,000 $ 1,675,000        
Warrants granted (in shares)     150,000        
Exercise price of warrants (in dollars per share)   $ 1.50 $ 3.762        
Private Placement | Common Stock              
Class of Stock [Line Items]              
Stock issued (in shares)   602,833 183,334        
Shares issued upon conversion (in shares)     1.67        
Private Placement | Series C Convertible Preferred Stock              
Class of Stock [Line Items]              
Stock issued (in shares)     200,000