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Inventories (Details) - USD ($)	Apr. 30, 2023	Apr. 30, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 8,132,196	$ 2,831,713
Work-in-process	509,381	173,112
Finished goods	3,344,950	891,045
Total	$ 11,986,527	$ 3,895,870

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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