Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.20.2
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
May 01, 2019
Jun. 22, 2017
Feb. 28, 2019
Sep. 30, 2020
Sep. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Class of Stock [Line Items]                
Deemed dividends       $ 0 $ 0   $ 0 $ 86,207
Issuance of common stock               $ 5,928,235
Cowen Agreement                
Class of Stock [Line Items]                
Issuance of common stock   $ 25,000,000.0            
Shares issued (in shares)           1,600,000    
Proceeds from issuance           $ 1,500,000    
Private Placement                
Class of Stock [Line Items]                
Sale of stock (in usd per share)     $ 0.95          
IPO                
Class of Stock [Line Items]                
Shares issued in public offering (in shares) 4,000,000.0              
Sale of stock (in usd per share) $ 0.74              
Proceeds from issuance $ 2,900,000              
Subscription Agreements                
Class of Stock [Line Items]                
Shares purchased (in shares)     1,600,000          
Common stock purchase price     $ 1,500,000          
Purchase of additional common stock (in shares) 116,496              
Deemed dividends $ 86,207              
Benjamin Samuels | Private Placement                
Class of Stock [Line Items]                
Shares issued in public offering (in shares)     841,928          
Gerald Budde | Private Placement                
Class of Stock [Line Items]                
Shares issued in public offering (in shares)     26,310