| Property and Equipment - Schedule of Software (Details) - USD ($) | Jan. 31, 2022 | Apr. 30, 2021 | 
|---|---|---|
| Property, Plant and Equipment [Line Items] | 听 | 听 | 
| Software | $ 628,833 | $ 467,572 | 
| Software | 听 | 听 | 
| Property, Plant and Equipment [Line Items] | 听 | 听 | 
| Software | 9,829,329 | 8,488,635 | 
| Accumulated amortization | (4,727,413) | (3,444,325) | 
| Total | $ 5,101,916 | $ 5,044,310 | 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Details 
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