Income Taxes - Components of Deferred Taxes (Details) - USD ($)	Aug. 31, 2022	Aug. 31, 2021
Deferred tax assets (liabilities):
Net operating loss	$ 174,000	$ 357,000
Accruals and reserves	1,148,000	1,401,000
Income tax credits	1,000	1,000
Lease liability	2,789,000	2,968,000
Property and equipment, net	(958,000)	(957,000)
Operating lease, right-of-use assets	2,742,000	2,941,000
Capital loss	40,000	49,000
Unrealized gains/losses	85,000	(7,000)
Total deferred tax assets	537,000	871,000
Total deferred tax assets, net	$ 537,000	$ 871,000