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Note 9 – Property and Equipment (Tables)
6 Months Ended
Oct. 31, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   October 31, 2023  April 30, 2023
Equipment and related  $1,426,424   $1,386,373 
Leasehold improvements   1,548,609    1,473,890 
Furniture and fixtures   157,842    132,752 
Accumulated depreciation   (565,088)   (342,657)
Net carrying value  $2,567,787   $2,650,358