| Leases (Tables)
 | 12 Months Ended | 
| Apr. 30, 2022 | 
|---|
| Leases [Abstract] | Ìý | 
| Schedule of Right-of-Use Assets and Operating Lease Liabilities | 
ROU assets are summarized below:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | April 30, |  
|  |  | 2022 |  | 2021 |  
| ROU assets - Operating facility leases |  | $ | 15,958,721Ìý |  |  | $ | 14,308,296Ìý |  |  
| Less: accumulated amortization |  | (3,312,771) |  |  | (1,593,433) |  |  
| Total ROU assets |  | $ | 12,645,950Ìý |  |  | $ | 12,714,863Ìý |  |  
 
Operating lease obligations, related to the ROU assets are summarized below:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | April 30, |  
|  |  | 2022 |  | 2021 |  
| Total lease liabilities |  | $ | 22,517,355Ìý |  |  | $ | 19,946,229Ìý |  |  
| Reduction of lease liabilities |  | (3,671,466) |  |  | (1,617,600) |  |  
| Total operating lease obligations |  | $ | 18,845,889Ìý |  |  | $ | 18,328,629Ìý |  |  | 
| Future Minimum Payments Under Operating Leases | 
The following is a schedule by future minimum lease payments required under operating leases that have initial or remaining non-cancelable lease terms in excess of one year as of AprilÌý30, 2022 (a) (by fiscal year).
|  |  |  |  |  |  |  |  |  |  
| Maturity of Lease Obligations |  | Lease Payments |  
| 2023 |  | $ | 4,323,543Ìý |  |  
| 2024 |  | 4,021,638Ìý |  |  
| 2025 |  | 3,805,716Ìý |  |  
| 2026 |  | 3,911,083Ìý |  |  
| 2027 |  | 3,991,386Ìý |  |  
| Thereafter |  | 7,971,839Ìý |  |  
| Total future minimum lease payments |  | 28,025,205Ìý |  |  
| Less: imputed interest |  | (9,179,316) |  |  
| Present value of operating lease liabilities |  | $ | 18,845,889Ìý |  |  ____________________(a)  Lease payments exclude $3.7Ìýmillion of legally binding minimum lease payments for the new BSN Pre-Licensure campus location in Atlanta, Georgia for its lease signed but not yet commenced. | 
| Schedule of Balance Sheet Information Related to Leases | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | April 30, |  
| Balance Sheet Classification |  | 2022 |  | 2021 |  
| Operating lease obligations, current portion |  | $ | 2,036,570Ìý |  |  | $ | 2,029,821Ìý |  |  
| Operating lease obligations, less current portion |  | 16,809,319Ìý |  |  | 16,298,808Ìý |  |  
| Total operating lease obligations |  | $ | 18,845,889Ìý |  |  | $ | 18,328,629Ìý |  |  | 
| Schedule of Other Information Related to Leases | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | April 30, |  
| Other Information |  | 2022 |  | 2021 |  
| Weighted average remaining lease term (in years) |  | 6.81 |  | 7.46 |  
| Weighted average discount rate |  | 12Ìý | % |  | 12Ìý | % |  |