CUSTOMER DEPOSITS AND DEFERRED REVENUE SHORTTERM (Details) - USD ($) $ in Thousands	Nov. 30, 2022	May 31, 2022
CUSTOMER DEPOSITS AND DEFERRED REVENUE SHORTTERM (Details)
Total	$ 3,680	$ 2,415
Customer deposits	3,561	2,263
Deferred revenue	$ 119	$ 152

The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_CustomerDepositsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant