Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details)

v3.20.4
Stockholders' Equity (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
May 01, 2019
Jun. 22, 2017
Feb. 28, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]            
Deemed dividends         $ 0 $ 86,207
Issuance of common stock           $ 5,928,235
Private Placement            
Class of Stock [Line Items]            
Purchase price per share (in usd per share)     $ 0.95      
Registered Public Offering            
Class of Stock [Line Items]            
Shares issued in transaction (in shares) 4,000,000.0          
Proceeds from issuance of common stock $ 2,900,000          
Purchase price per share (in usd per share) $ 0.74          
Cowen Agreement            
Class of Stock [Line Items]            
Proceeds from issuance of common stock       $ 1,500,000    
Issuance of common stock   $ 25,000,000.0        
Common stock sold (in shares)       1,600,000    
Benjamin Samuels | Private Placement            
Class of Stock [Line Items]            
Shares issued in transaction (in shares)     841,928      
Gerald Budde | Private Placement            
Class of Stock [Line Items]            
Shares issued in transaction (in shares)     26,310      
Subscription Agreements            
Class of Stock [Line Items]            
Shares issued in transaction (in shares)     1,600,000      
Proceeds from issuance of common stock     $ 1,500,000      
Purchase of common stock (in shares) 116,496          
Deemed dividends $ 86,207