Quarterly report pursuant to Section 13 or 15(d)

Note 4 ??? Inventories (Tables)

v3.22.2.2
Note 4 – Inventories (Tables)
6 Months Ended
Oct. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
    October 31, 2022   April 30, 2022
Raw materials   $ 3,221,442     $ 2,831,713  
Work-in-process     291,870       173,112  
Finished goods     3,046,780       891,045  
Total   $ 6,560,092     $ 3,895,870