Quarterly report pursuant to Section 13 or 15(d)

Intangible assets (Details)

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Intangible assets (Details) - USD ($)
Jan. 31, 2023
Apr. 30, 2022
Intangible Assets Gross Carrying Amount [Member]    
Proprietary technology $ 4,967,000 $ 1,098,000
Non-compete agreements 81,000 81,000
Customer relationships 39,000 39,000
Total finite-lived assets 5,087,000 1,218,000
Brand name 3,152,000 1,722,000
Trademark 20,000 20,000
Total indefinite-lived assets 3,172,000 1,742,000
Total intangible assets, net 8,259,000 2,960,000
Intangible Assets Accumulated Amortization [Member]    
Proprietary technology (631,997) (219,267)
Non-compete agreements (49,916) (29,667)
Customer relationships (16,713) (12,535)
Total finite-lived assets (698,626) (261,469)
Brand name
Trademark
Total indefinite-lived assets
Total intangible assets, net (698,626) (261,469)
Intangible Assets Net Carrying Value [Member]    
Proprietary technology 4,335,003 878,733
Non-compete agreements 31,084 51,333
Customer relationships 22,287 26,465
Total finite-lived assets 4,388,374 956,531
Brand name 3,152,000 1,722,000
Trademark 20,000 20,000
Total indefinite-lived assets 3,172,000 1,742,000
Total intangible assets, net $ 7,560,374 $ 2,698,531