Annual report pursuant to Section 13 and 15(d)

Composition of, and changes in goodwill (Details)

v3.23.2
Composition of, and changes in goodwill (Details) - USD ($)
9 Months Ended 12 Months Ended 18 Months Ended 28 Months Ended
Apr. 30, 2022
Apr. 30, 2023
Apr. 30, 2022
Apr. 30, 2022
Apr. 30, 2022
Indefinite-Lived Intangible Assets [Line Items]          
  $ 25,138,750 $ 17,012,832 $ 25,138,750 $ 25,138,750 $ 25,138,750
Goodwill [Member]          
Indefinite-Lived Intangible Assets [Line Items]          
  8,995,499   2,826,918 6,168,260 1,849,073
  $ 19,839,750 17,012,832 $ 19,839,750 $ 19,839,750 $ 19,839,750
    $ (2,826,918)