Annual report pursuant to Section 13 and 15(d)

Operating leases (Details)

v3.23.2
Operating leases (Details)
 12 Months Ended
Apr. 30, 2023
USD ($)
Operating Lease, Expense $ 395,248
Operating Lease Location 1 [Member]  
Operating Lease, Expense 22,667
Operating Lease Location 2 [Member]  
Operating Lease, Expense 4,520
Operating Lease Location 3 [Member]  
Operating Lease, Expense 5,647
Operating Lease Location 4 [Member]  
Operating Lease, Expense $ 550