13. Discontinued Operations (Details)	12 Months Ended
Aug. 31, 2020
Details
Discontinued Operation, Name	MSI division

Name of component or group of components disposed of or classified as held-for-sale representing strategic shift that has or will have major effect on operation and financial result.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760

Name:	us-gaap_DiscontinuedOperationName
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration