REVENUE (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Net sales	$ 17,206	$ 15,283	$ 42,692	$ 30,540
Products and Services Transferred at a Point in Time
Net sales	16,863	14,932	41,523	29,492
Services Transferred over Time
Net sales	$ 343	$ 351	$ 1,169	$ 1,048

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