Note 10 - Stockholders' Equity (Tables)

12 Months Ended

Aug. 31, 2022

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Amount		Record Date	Payable Date
October 20, 2021	$	0.07	November 3, 2021	November 17, 2021
January 21, 2022	$	0.07	February 2, 2022	February 16, 2022
April 22, 2022	$	0.07	May 4, 2022	May 18, 2022
July 20, 2022	$	0.07	August 3, 2022	August 17, 2022

Declaration Date	Amount		Record Date	Payable Date
January 15, 2021	$	0.065	February 3, 2021	February 17, 2021
April 23, 2021	$	0.065	May 5, 2021	May 19, 2021
July 21, 2021	$	0.065	August 4, 2021	August 18, 2021