Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

v3.22.2
Leases - Narrative (Details)
12 Months Ended
Apr. 30, 2022
USD ($)
ft²
Apr. 30, 2021
USD ($)
Lessee, Lease, Description [Line Items]    
Amount of office and classroom space leased (in square feet) | ft² 191,328  
Lease extension term 5 years  
Total future minimum lease payments (as a percent) 96.00%  
Incremental borrowing rate (as a percent) 12.00%  
Amortization of leasehold improvements $ 661,131 $ 306,217
Lease expense $ 3,868,333 $ 2,775,000
Minimum    
Lessee, Lease, Description [Line Items]    
Lease term 6 years  
Maximum    
Lessee, Lease, Description [Line Items]    
Lease term 8 years