SIGNIFICANT ACCOUNTING POLICIES (Details - Fair value measurements) - Fair value, recurring - USD ($) $ in Thousands	Nov. 30, 2022	Aug. 31, 2022
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	$ 49,392	$ 51,567
Short-term investments
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	82,139	76,668
Level I | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	49,392	51,567
Level I | Short-term investments
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	82,139	76,668
Level II | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	0	0
Level II | Short-term investments
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	0	0
Level III | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	0	0
Level III | Short-term investments
Defined Benefit Plan Disclosure [Line Items]
Assets, fair value disclosure	$ 0	$ 0