Stockholders' Equity - Schedule of Share-Based Compensation (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2023 |
Jan. 31, 2022 |
Jan. 31, 2023 |
Jan. 31, 2022 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Stock based compensation expense | $ 394,510 | $ 700,697 | $ 899,176 | $ 1,965,567 |
| RSUs | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Stock based compensation expense | 394,510 | 397,241 | 893,769 | 1,532,147 |
| Restricted Stock | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Stock based compensation expense | 0 | 286,231 | 0 | 307,283 |
| Stock options | Ìý | Ìý | Ìý | Ìý |