REVENUE (Details 1) - USD ($) $ in Thousands	3 Months Ended
Aug. 31, 2023	Aug. 31, 2022
Net sales	$ 20,624	$ 10,671
Systems [Member]
Net sales	8,093	9,094
Services [Member]
Net sales	1,267	1,083
Contactors [Member]
Net sales	$ 11,264	$ 494

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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+ Details