REVENUE RECOGNITION (Details Narrative) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
May 31, 2021	Feb. 28, 2020	May 31, 2021	May 31, 2020
Revenue from Contract with Customer [Abstract]
Revenues included in contract liabilities	$ 30	$ 109	$ 430	$ 882
Remaining performance obligations	$ 4,300		$ 4,300

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration