Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Outstanding Shares of Common Stock Equivalents Excluded from Calculation (Details)

v3.21.2
Summary of Significant Accounting Policies - Schedule of Outstanding Shares of Common Stock Equivalents Excluded from Calculation (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Stock Options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 23,490,000 25,000,678 23,490,000 25,000,678
Common shares underlying convertible debt        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 5,303,591 5,215,457 5,303,591 5,215,457
Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 133,945,796 145,336,155 134,917,225 22,304,750