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Note 4 – Inventories (Tables)

9 Months Ended

Jan. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

		January 2022				April 2021
Raw materials		$	1,370,380			$	—
Work-in-process			39,153				—
Finished goods			930,147				362,072
Total		$	2,339,680			$	362,072

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Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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