REVENUE (Details 1) - USD ($) $ in Thousands	3 Months Ended
Aug. 31, 2022	Aug. 31, 2021
Net sales	$ 10,671	$ 5,646
United States
Net sales	2,863	506
Europe
Net sales	0	3
Asia
Net sales	$ 7,808	$ 5,137

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.

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+ Details