6. COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($)	3 Months Ended	9 Months Ended
May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Commitments and Contingencies Disclosure [Abstract]
Rent expense	$ 147,581	$ 144,589	$ 436,357	$ 424,077
Royalty expense	$ 55,924	$ 44,835	$ 147,495	$ 124,567

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Name:	us-gaap_RoyaltyExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration