Commitments and Contingencies - Schedule of Information Related to Right-of-Use Assets and Lease Liabilities (Details) - USD ($) |
Jan. 31, 2023 |
Apr. 30, 2022 |
Apr. 30, 2021 |
|---|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |||
| Right-of-use assets | $ 549,227 | $ 88,535 | $ 194,660 |
| Lease liabilities, net of current portion | 549,227 | 0 | 90,967 |
| Total lease liabilities | $ 549,227 | $ 90,968 | $ 198,599 |
| Weighted average remaining term (in years) | 5 years 3 months 18 days | 9 months 18 days | 1 year 9 months 18 days |
| Weighted average discount rate | 12.00% | 12.00% | 12.00% |