XML 77 R53.htm IDEA: XBRL DOCUMENT v3.20.4
Stockholders' Equity (Deficit), 2019 Issuance of Common Stock (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 13, 2020
Feb. 29, 2020
Feb. 28, 2019
Dec. 31, 2020
Dec. 31, 2019
Mar. 13, 2019
Jan. 31, 2019
Dec. 31, 2018
Warrants and Rights Note Disclosure [Abstract]                
Warrant coverage               20.00%
Warrant coverage, amount received             $ 32,500  
Issuance of common stock (in shares) 6,900,000 10,000,000            
Proceeds from issuance of shares $ 19,000,000 $ 13,000,000 $ 750,000 $ 29,756,502 $ 750,000      
Warrant coverage, collective amount received by investors     $ 337,500          
Exercise price of warrant (in dollars per share)     $ 9.87     $ 9.87    
Warrants issued (in shares)         37,487      
2018 Bridge Finance [Member]                
Warrants and Rights Note Disclosure [Abstract]                
Warrant coverage             45.00%  
Common Stock [Member]                
Warrants and Rights Note Disclosure [Abstract]                
Issuance of common stock (in shares)     48,930 16,900,000 48,930