| Leases (Tables)
 | 9 Months Ended | 
| Jan. 31, 2022 | 
|---|
| Leases [Abstract] | Ìý | 
| Schedule of Right-of-Use Assets and Operating Lease Liabilities | 
ROU assets are summarized below:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | January 31, 2022 |  | April 30, 2021 |  
| ROU assets - Operating facility leases |  | $ | 15,958,721Ìý |  |  | $ | 14,308,296Ìý |  |  
| Less: accumulated amortization |  | (2,868,251) |  |  | (1,593,433) |  |  
| Total ROU assets |  | $ | 13,090,470Ìý |  |  | $ | 12,714,863Ìý |  |  
 
Operating lease obligations, related to the ROU assets are summarized below:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | January 31, 2022 |  | April 30, 2021 |  
| Total lease liabilities |  | $ | 22,509,568Ìý |  |  | $ | 19,946,229Ìý |  |  
| Reduction of lease liabilities |  | (3,085,191) |  |  | (1,617,600) |  |  
| Total operating lease obligations |  | $ | 19,424,377Ìý |  |  | $ | 18,328,629Ìý |  |  | 
| Future Minimum Payments Under Operating Leases | 
The following is a schedule by fiscal years of future minimum lease payments required under operating leases that have initial or remaining non-cancelable lease terms in excess of one year as of JanuaryÌý31, 2022 (a) (by fiscal year).
 
(a)  Lease payments exclude $3.7 million of legally binding minimum lease payments for the new BSN Pre-Licensure campus location in Atlanta, Georgia for the lease signed but not yet commenced.
_____________________
|  |  |  |  |  |  |  |  |  |  
| Maturity of Lease Obligations |  | Lease Payments |  
| 2022 (remaining) |  | $ | 1,139,587Ìý |  |  
| 2023 |  | 4,142,637Ìý |  |  
| 2024 |  | 4,018,977Ìý |  |  
| 2025 |  | 3,802,960Ìý |  |  
| 2026 |  | 3,908,722Ìý |  |  
| Thereafter |  | 11,963,226Ìý |  |  
| Total future minimum lease payments |  | 28,976,109Ìý |  |  
| ÌýÌýÌýÌýLess: imputed interest |  | (9,551,732) |  |  
| Present value of operating lease liabilities |  | $ | 19,424,377Ìý |  |  | 
| Schedule of Balance Sheet Information Related to Leases | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Balance Sheet Classification |  | January 31, 2022 |  | April 30, 2021 |  
| Operating lease obligations, current portion |  | $ | 2,106,981Ìý |  |  | $ | 2,029,821Ìý |  |  
| Operating lease obligations, less current portion |  | 17,317,396Ìý |  |  | 16,298,808Ìý |  |  
| Total operating lease liabilities |  | $ | 19,424,377Ìý |  |  | $ | 18,328,629Ìý |  |  | 
| Schedule of Other Information Related to Leases | 
|  |  |  |  |  |  |  |  |  |  
| Other Information |  | January 31, 2022 |  
| Weighted average remaining lease term (in years) |  | 6.97 |  
| Weighted average discount rate |  | 12Ìý | % |  |