Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.21.1
Summary of Significant Accounting Policies (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Warrants to purchase common shares, less “penny warrants” included in potentially dilutive common shares 8,577,336 6,595,631
Common Shares issuable on exercise of options 2,668,866 1,661,466
Total potentially dilutive common shares excluded 11,246,202 8,257,097