Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.22.2.2
Leases - Narrative (Details)
3 Months Ended
Jul. 31, 2022
USD ($)
ft²
Jul. 31, 2021
USD ($)
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) 97.00%  
Incremental borrowing rate (as a percent) 12.00%  
Amortization of tenant improvement allowances $ 173,698 $ 150,387
Lease expense $ 1,010,512 $ 936,737
Minimum    
Lessee, Lease, Description [Line Items]    
Lease term 6 years  
Maximum    
Lessee, Lease, Description [Line Items]    
Lease term 8 years