Quarterly report pursuant to Section 13 or 15(d)

The Company???s results of operations include expenses relating to stock-based compensation for the three and nine months ended January 31, 2022 and 2021, was comprised as follows: (Details)

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The Company’s results of operations include expenses relating to stock-based compensation for the three and nine months ended January 31, 2022 and 2021, was comprised as follows: (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total $ 1,130,795 $ 575,127 $ 3,150,801 $ 1,735,497
Research and Development Expense [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total 106,102 21,813 359,286 65,439
General and Administrative Expense [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total $ 1,024,693 $ 553,314 $ 2,791,515 $ 1,670,058