Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Capitalization (Details)

v3.21.2
Stockholders' Equity and Capitalization (Details) - USD ($)
 1 Months Ended 2 Months Ended 9 Months Ended
Sep. 29, 2021
Jul. 26, 2021
Jul. 31, 2021
Sep. 27, 2021
Sep. 30, 2021
Sep. 30, 2020
Feb. 05, 2021
Dec. 31, 2020
Equity [Line Items]                
Common stock, shares authorized (in shares)         5,000,000,000   5,000,000,000 500,000,000
Preferred stock, shares authorized (in shares)         50,000,000   50,000,000 20,000,000
Proceeds from warrant exercises         $ 7,011,799      
Common stock issuance costs         $ 851,538 $ 854,078    
2021 Inducement and Financing                
Equity [Line Items]                
Common stock issuance costs       $ 935,260        
Net proceeds from transaction $ 6,062,774     $ 6,062,774        
September 2021 Financing                
Equity [Line Items]                
Sale of stock, gross aggregate proceeds $ 6,998,034              
Term of warrant (in years) 5 years              
September 2021 Financing | Common Stock                
Equity [Line Items]                
Number of shares issued in transaction (in shares) 58,111,112              
Pre-funded Warrants                
Equity [Line Items]                
Number of warrants exercised (in shares)         11,800,000      
Intrinsic value of warrant exercises         $ 460,200      
Warrant exercise (in shares)         11,800,000      
Proceeds from warrant exercises         $ 11,800 $ 10,533    
2020 Common Stock Warrants                
Equity [Line Items]                
Number of warrants exercised (in shares)         116,666,668      
Intrinsic value of warrant exercises         $ 8,764,967      
Warrant exercise (in shares)         116,666,668      
Proceeds from warrant exercises         $ 6,999,999      
2021 Inducement Warrants                
Equity [Line Items]                
Number of warrants exercised (in shares)   21,166,667            
Proceeds from warrant exercises   $ 1,270,000            
Exercise price (in dollars per share)   $ 0.06     $ 0.15      
Term of warrant (in years)         5 years      
2021 Inducement Warrants | July 2021 Inducement Warrants                
Equity [Line Items]                
Exercise price (in dollars per share)   $ 0.15            
Number of shares issued in transaction (in shares)   21,166,667 21,166,667          
2021 Pre-Funded Warrants                
Equity [Line Items]                
Exercise price (in dollars per share)         $ 0      
2021 Pre-Funded Warrants | September 2021 Financing                
Equity [Line Items]                
Exercise price (in dollars per share) $ 0.0001              
Number of shares issued in transaction (in shares) 19,666,667              
Sale of stock (in dollars per share) $ 0.0899              
2021 Common Stock Warrants                
Equity [Line Items]                
Exercise price (in dollars per share)         $ 0.09      
Term of warrant (in years)         5 years      
2021 Common Stock Warrants | September 2021 Financing                
Equity [Line Items]                
Exercise price (in dollars per share) $ 0.09              
Number of shares issued in transaction (in shares) 77,777,779              
Sale of stock (in dollars per share) $ 0.09              
2021 Common Stock Warrants to Placement Agent                
Equity [Line Items]                
Exercise price (in dollars per share)         $ 0.11      
Term of warrant (in years)         5 years      
2021 Common Stock Warrants to Placement Agent | 2021 Inducement and Financing                
Equity [Line Items]                
Number of shares issued in transaction (in shares)       6,926,112        
Percent of total shares       7.00%