Note 12 - Stock-based Compensation (Tables)

12 Months Ended

Aug. 31, 2022

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Fiscal Year 2022			Fiscal Year 2021
Dividend yield		2.46	%		1.65	%
Expected volatility		45.2	%		45.4	%
Expected life of option (years)		10			10
Weighted average risk-free interest rate		3.30	%		0.77	%

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Number of Shares (#)			Weighted Average Exercise Price		Aggregate Intrinsic Value
Outstanding at August 31, 2020		1,127,968		$	9.63
Options granted		419,874			8.24
Options exercised		(77,645	)		8.18
Options terminated		(43,546	)		9.63
Outstanding at August 31, 2021		1,426,651		$	9.30
Options granted		174,840			16.97
Options exercised		(51,218	)		6.60
Options terminated		(5,546	)		18.23
Outstanding at August 31, 2022		1,544,727		$	10.23	$	4,151,365
Exercisable at August 31, 2022		1,156,211		$	9.58	$	3,394,957