Annual report pursuant to Section 13 and 15(d)

Warrants - Changes in warrants outstanding issued to non-employees of the Company (Details)

v3.21.2
Warrants - Changes in warrants outstanding issued to non-employees of the Company (Details) - Warrants issued to non-employees
12 Months Ended
Apr. 30, 2021
USD ($)
$ / shares
shares
Shares outstanding, beginning
Shares granted 1,074,998
Weighted-average exercise price, shares granted | $ / shares $ 1.50
Shares exercised (201,666)
Weighted-average exercise price, shares exercised | $ / shares $ 1.50
Shares outstanding, ending 873,332
Weighted-average exercise price, shares outstanding, ending | $ / shares $ 1.50
Weighted-average remaining contractual term, shares outstanding 4 years 7 months 13 days
Aggregate intrinsic value, shares outstanding | $ $ 2,218,263