Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.21.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of potentially dilutive common shares

    Potentially
Dilutive Common
Shares Outstanding
December 31,
 
    2020     2019  
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