XML 54 R35.htm IDEA: XBRL DOCUMENT v3.22.2
Note 8 – Property and Equipment (Tables)
12 Months Ended
Apr. 30, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   2022  2021
Equipment and other  $509,376   $   
Leasehold improvements   149,330       
Furniture and equipment   42,746       
Accumulated depreciation   (189,762)      
Net carrying value  $511,690   $