Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Current:
Federal	$ 2,489,000	$ 1,436,000
State	868,000	664,000
Foreign	(62,000)	129,000
Total current income tax expense	3,295,000	2,229,000
Deferred:
Federal	(2,000)	1,423,000
State		(478,000)
Total deferred income tax expense	(2,000)	945,000
Total	$ 3,293,000	$ 3,174,000