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INVENTORIES (Details) - Schedule of Inventory, Current - USD ($) $ in Thousands	Jul. 31, 2024	Apr. 30, 2024
Schedule Of Inventory Current Abstract
Raw materials and component parts	$ 15,218	$ 14,939
Work in progress	8,627	8,035
Finished goods	463	457
Inventories	$ 24,308	$ 23,431

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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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