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Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.21.2
Leases - Narrative (Details)
 3 Months Ended 6 Months Ended
Oct. 31, 2021
USD ($)
´Ú³Ù²
Oct. 31, 2020
USD ($)
Oct. 31, 2021
USD ($)
´Ú³Ù²
Oct. 31, 2020
USD ($)
Lessee, Lease, Description [Line Items] Ìý Ìý Ìý Ìý
Amount of office and classroom space leased (in square feet) | ´Ú³Ù² 174,528 Ìý 174,528 Ìý
Lease extension term 5 years Ìý 5 years Ìý
Total future minimum lease payments (as a percent) 95.00% Ìý 95.00% Ìý
Incremental borrowing rate (as a percent) 12.00% Ìý 12.00% Ìý
Amortization of tenant improvement allowances $ 152,499 $ 302,887 $ 0 $ 0
Lease expense 916,435 $ 664,415 1,853,172 $ 1,061,653
Leases not yet commenced, liability $ 3,700,000 Ìý $ 3,700,000 Ìý
Minimum Ìý Ìý Ìý Ìý
Lessee, Lease, Description [Line Items] Ìý Ìý Ìý Ìý
Lease term 7 years Ìý 7 years Ìý
Maximum Ìý Ìý Ìý Ìý
Lessee, Lease, Description [Line Items] Ìý Ìý Ìý Ìý
Lease term 10 years Ìý 10 years Ìý