REVENUE (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Net sales	$ 21,431	$ 14,815	$ 42,055	$ 25,486
Systems [Member]
Net sales	10,685	7,400	18,779	16,494
Services [Member]
Net sales	1,594	808	2,861	1,891
Contactors [Member]
Net sales	$ 9,152	$ 6,607	$ 20,415	$ 7,101