SIGNIFICANT ACCOUNTING POLICIES (Details - Fair value measurements) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Feb. 28, 2022	Aug. 31, 2021
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	$ 60,373	$ 36,984
Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	63,922	86,484
Aquisition Related Contingent Consideration Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value liabilities	3,460	3,217
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	60,373	36,984
Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	63,922	86,484
Fair Value, Inputs, Level 1 [Member] | Aquisition Related Contingent Consideration Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value liabilities	0	0
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	0	0
Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	0	0
Fair Value, Inputs, Level 2 [Member] | Aquisition Related Contingent Consideration Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value liabilities	0	0
Fair Value, Inputs, Level 3 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	0	0
Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value assets	0	0
Fair Value, Inputs, Level 3 [Member] | Aquisition Related Contingent Consideration Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value liabilities	$ 3,460	$ 3,217