Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Share Based Awards (Details Narrative)

v3.21.2
Note 11 - Share Based Awards (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2021
Apr. 30, 2021
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]    
[custom:NumberOfSharesIssuableInConnectionWithAwardsUnderPlanMaximum] 8,750,000  
[custom:UnrecognizedStockbasedCompensationExpenseRelatedToUnvestedStockOptionsNetOfEstimatedForfeitures] $ 1,594,543 $ 914,915
Options 1 [Member]    
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 1,305,810  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 8 years 4 months 17 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value $ 3,648,567