SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	May 31, 2022	May 31, 2021
Property and equipment, net	$ 1,203	$ 677
United States
Property and equipment, net	1,156	647
Asia
Property and equipment, net	47	30
Europe
Property and equipment, net	$ 0	$ 0

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant