Quarterly report pursuant to Section 13 or 15(d)

Composition of, and changes in goodwill (Details)

v3.22.2.2
Composition of, and changes in goodwill (Details) - USD ($)
6 Months Ended 12 Months Ended 15 Months Ended 16 Months Ended
Apr. 30, 2021
Jul. 31, 2022
Jul. 31, 2022
Apr. 30, 2021
Apr. 30, 2022
Indefinite-Lived Intangible Assets [Line Items]          
    $ 25,138,750 $ 25,138,750   $ 25,138,750
Goodwill [Member]          
Indefinite-Lived Intangible Assets [Line Items]          
  $ 6,168,260 14,294,499 2,826,918 $ 1,849,073  
  $ 8,017,333 $ 25,138,750 $ 25,138,750 $ 8,017,333