Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Derivative liability - Additional Information (Details)

v3.21.1
Derivative liability - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
Derivative liability  
Warrants issuance price per share $ 0.50
Warrants price per share $ 3.77