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REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Net sales	$ 66,218	$ 64,961	$ 50,829
Systems [Member]
Net sales	24,169	38,844	25,224
Contactors [Member]
Net sales	37,560	21,873	22,647
Services [Member]
Net sales	$ 4,489	$ 4,244	$ 2,958

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