Annual report pursuant to Section 13 and 15(d)

Stockholders??? Equity and Capitalization - Narrative (Details)

v3.22.1
Stockholders’ Equity and Capitalization - Narrative (Details) - USD ($)
 1 Months Ended 2 Months Ended 12 Months Ended
Sep. 29, 2021
Jul. 26, 2021
Aug. 04, 2020
Jul. 31, 2020
Jul. 31, 2021
Sep. 27, 2021
Dec. 31, 2021
Dec. 31, 2020
Feb. 05, 2021
Class of Stock [Line Items]                  
Common stock, shares authorized (in shares)             5,000,000,000 500,000,000 5,000,000,000
Preferred stock, shares authorized (in shares)             50,000,000 20,000,000 50,000,000
Proceeds from pre-funded warrant exercises             $ 11,800 $ 0  
Common stock issuance costs             $ 935,260 $ 854,078  
Common Stock                  
Class of Stock [Line Items]                  
Number of shares issued for each unit sold (in shares)       1          
September 2021 Financing                  
Class of Stock [Line Items]                  
Sale of stock, gross aggregate proceeds $ 6,998,034                
Term (Years) 5 years                
September 2021 Financing | Common Stock                  
Class of Stock [Line Items]                  
Number of shares issued in transaction (in shares) 58,111,112                
Two Thousand And Twenty One Inducement And Financing                  
Class of Stock [Line Items]                  
Common stock issuance costs           $ 935,260      
Net proceeds from the transaction           $ 6,062,774      
August 2020 Financing                  
Class of Stock [Line Items]                  
Common stock issuance costs       $ 854,078          
Net proceeds from the transaction       $ 6,085,589          
Gross proceeds from the transaction     $ 6,939,667            
August 2020 Financing | Placement agent                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share)       $ 0.075          
Percentage of total shares of common stock and pre-funded warrants sold in offering       7.00%          
Expected term (years)       5 years          
Warrants to purchase an aggregate shares of common stock (in shares)       8,166,667          
August 2020 Financing | Common Unit                  
Class of Stock [Line Items]                  
Number of shares issued in transaction (in shares)       56,333,334          
Sale price (in dollars per share)     $ 0.06            
August 2020 Financing | Pre-Funded Unit                  
Class of Stock [Line Items]                  
Number of shares issued in transaction (in shares)       60,333,334          
Sale price (in dollars per share)     0.059            
2021 Inducement Warrants                  
Class of Stock [Line Items]                  
Warrants exercise (in shares)   21,166,667              
Exercise price (in dollars per share)   $ 0.06         $ 0.15    
Proceeds from pre-funded warrant exercises   $ 1,270,000              
Term (Years)             5 years    
2021 Inducement Warrants | July 2021 Inducement Warrants                  
Class of Stock [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 | September 2021 Financing                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share) $ 0.0001                
Number of shares issued in transaction (in shares) 19,666,667                
Sale price (in dollars per share) $ 0.0899                
2021 Common Stock Warrants                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share)             $ 0.09    
Term (Years)             5 years    
2021 Common Stock Warrants | September 2021 Financing                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share) $ 0.09                
Number of shares issued in transaction (in shares) 77,777,779                
Sale price (in dollars per share) $ 0.09                
2021 Common Stock Warrants to Placement Agent                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share)             $ 0.11    
Term (Years)             5 years    
2021 Common Stock Warrants to Placement Agent | Two Thousand And Twenty One Inducement And Financing                  
Class of Stock [Line Items]                  
Number of shares issued in transaction (in shares)           6,926,112      
Percentage of total shares of common stock and pre-funded warrants sold in offering           7.00%      
Common Stock Warrants | Common Unit                  
Class of Stock [Line Items]                  
Number of shares issued for each unit sold (in shares)       1          
Number of warrants issued (in shares)       1          
Common Stock Warrants | Pre-Funded Unit                  
Class of Stock [Line Items]                  
Number of shares issued for each unit sold (in shares)       1          
Number of warrants issued (in shares)       1          
Common Stock Warrants | August 2020 Financing                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share)     $ 0.06            
Expected term (years)     5 years            
Pre-funded Warrants                  
Class of Stock [Line Items]                  
Warrants exercise (in shares)             11,800,000 48,533,334  
Proceeds from pre-funded warrant exercises             $ 11,800    
Intrinsic value of warrant exercises             $ 460,200 $ 2,104,667  
Warrant exercises (in shares)             11,800,000 48,533,334  
Pre-funded Warrants | Pre-Funded Unit                  
Class of Stock [Line Items]                  
Number of shares issued for each unit sold (in shares)       1          
Number of warrants issued (in shares)       1          
Pre-funded Warrants | August 2020 Financing                  
Class of Stock [Line Items]                  
Exercise price (in dollars per share)     $ 0.001            
Number of warrants issued (in shares)     60,333,334            
Common Stock Warrants                  
Class of Stock [Line Items]                  
Warrants exercise (in shares)             116,666,668    
Proceeds from pre-funded warrant exercises             $ 6,999,999    
Intrinsic value of warrant exercises             $ 8,764,967    
Warrant exercises (in shares)             116,666,668    
Common Stock Warrants | August 2020 Financing                  
Class of Stock [Line Items]                  
Number of warrants issued (in shares)     116,666,668            
Series B Warrants                  
Class of Stock [Line Items]                  
Warrants exercise (in shares)               312,500  
Intrinsic value of warrant exercises               $ 26,563  
Warrant exercises (in shares)               312,500