| Leases - Summary of Lease Assets and Liabilities (Detail) - USD ($) | Aug. 31, 2021 | Apr. 30, 2021 | Jan. 31, 2021 | Nov. 30, 2020 | 
|---|---|---|---|---|
| Assets | ||||
| Operating lease right-of-use asset | $ 992,346 | $ 86,549 | $ 780,070 | $ 299,089 | 
| Liabilities | ||||
| Current portion of operating lease liabilities | 306,817 | 275,570 | ||
| Operating lease long term liabilities | 690,347 | 23,632 | ||
| Total lease liability | $ 997,164 | $ 86,549 | $ 780,070 | $ 299,202 | 
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- References No definition available. 
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- References No definition available. 
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- 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 
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- 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 
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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