Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Income Taxes
Provision for income taxes	$ 1,783,000	$ 1,204,000	$ 3,444,000	$ 3,593,000
Expected income tax provision at statutory rate	25.90%		25.90%
Effective income tax statutory rate			21.00%
Unrecognized tax benefit	$ 0		$ 0
Liability for penalties and interest	$ 0		$ 0