Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of outstanding shares of common stock equivalents were excluded from the computation of diluted earnings per share (Details)

v3.21.1
Summary of Significant Accounting Policies - Schedule of outstanding shares of common stock equivalents were excluded from the computation of diluted earnings per share (Details) - shares
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Warrants    
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]    
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 78,546,668 23,593,356
Common shares underlying convertible debt    
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]    
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 5,124,384 5,125,363
Stock options    
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]    
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 21,560,000 4,512,715
Unvested restricted stock    
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]    
Anti-dilutive excluded from the calculation of diluted loss per common share (in shares) 0 643,501