10. EMPLOYEE BENEFIT PLAN (Details Narrative) - USD ($)	3 Months Ended	9 Months Ended
May 31, 2019	May 31, 2018	May 31, 2019	May 31, 2018
Retirement Benefits [Abstract]
Plan contributions by company	$ 116,839	$ 95,585	$ 295,777	$ 238,011

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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