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Note 4 – Inventories (Tables)

3 Months Ended

Jul. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

		July 31, 2022				April 30, 2022
Raw materials		$	2,396,265			$	2,831,713
Work-in-process			524,811				173,112
Finished goods			1,663,760				891,045
Total		$	4,584,836			$	3,895,870

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No definition available.

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- Definition

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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