Composition of, and changes in goodwill (Details) - USD ($) |
4 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
|---|---|---|---|---|
Apr. 30, 2020 |
Apr. 30, 2021 |
Apr. 30, 2022 |
Apr. 30, 2022 |
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| Indefinite-Lived Intangible Assets [Line Items] | ||||
| Balance at April 30, 2022 | $ 8,017,333 | $ 25,138,750 | $ 25,138,750 | |
| Goodwill [Member] | ||||
| Indefinite-Lived Intangible Assets [Line Items] | ||||
| August 2021 | $ 1,849,073 | 6,168,260 | 14,294,499 | 2,826,918 |
| Balance at April 30, 2022 | $ 8,017,333 | $ 25,138,750 | $ 25,138,750 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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