Quarterly report pursuant to Section 13 or 15(d)

Leases - Future Minimum Payments Under Operating Leases (Details)

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Leases - Future Minimum Payments Under Operating Leases (Details) - USD ($)
Oct. 31, 2021
Apr. 30, 2021
Lessee, Operating Lease, Liability, Payment, Due [Abstract]    
2022 (remaining) $ 2,179,605  
2023 4,142,637  
2024 4,018,977  
2025 3,802,959  
2026 3,908,722  
Thereafter 11,963,225  
Total future minimum lease payments 30,016,125  
Less: imputed interest (10,138,211)  
Present value of operating lease liabilities $ 19,877,914 $ 18,328,629