Quarterly report pursuant to Section 13 or 15(d)

Note 4 ??? Inventories (Tables)

v3.22.4
Note 4 – Inventories (Tables)
9 Months Ended
Jan. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
    January 31, 2023   April 30, 2022
Raw materials   $ 5,608,584     $ 2,831,713  
Work-in-process     192,166       173,112  
Finished goods     3,493,503       891,045  
Total   $ 9,294,253     $ 3,895,870