Note 9 - Stock Options (Tables)

12 Months Ended

Oct. 31, 2020

Notes Tables

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

	2020			2019
Weighted average volatility		52.68	%		55.42	%
Expected dividends		0.63	%		0.98	%
Expected term (in years)		7.0			5.9
Risk-free interest rate		1.58	%		2.86	%
Weighted average fair value of options granted during the year	$	3.06		$	3.98
Weighted average fair value of options vested during the year	$	2.38		$	2.56

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

	2020					2019
	Shares or			Weighted		Shares or			Weighted
	Price Per			Average		Price Per			Average
	Share			Exercise Price		Share			Exercise Price
Outstanding at beginning of year		890,147		$	3.62		942,366		$	3.09
Options granted		140,241		$	6.40		124,097		$	8.16
Options exercised		(241,209	)	$	1.85		(171,066	)	$	3.86
Options canceled or expired		-		$	-		(5,250	)	$	6.82
Options outstanding at end of year		789,179		$	4.66		890,147		$	3.62
Options exercisable at end of year		459,513		$	4.48		599,981		$	3.25
Options vested and expected to vest at end of year		788,143		$	4.67		889,088		$	3.63
Option price range at end of year	1.90 0 - 8.69 69					1.90 0 - 8.69 69
Aggregate intrinsic value of options exercised during year	$	975,638				$	317,827