Leases - Schedule of Balance Sheet Information Related to Leases (Details) - USD ($) |
Jul. 31, 2021 |
Apr. 30, 2021 |
|---|---|---|
| Balance Sheet Classification | ||
| Operating lease obligations, current portion | $ 2,086,076 | $ 2,029,821 |
| Operating lease obligations, less current portion | 15,865,044 | 16,298,808 |
| Present value of operating lease liabilities | $ 17,951,120 | $ 18,328,629 |
| X | ||||||||||
- Definition Operating Lease, Balance Sheet Classification No definition available.
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|