Note 9 - Stock Options (Tables)

12 Months Ended

Oct. 31, 2022

Notes Tables

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

	2022			2021
Weighted average volatility		53.36	%		52.34	%
Expected dividends		0.00	%		0.00	%
Expected term (in years)		7.0			7.0
Risk-free interest rate		1.47	%		0.58	%
Weighted average fair value of options granted during the year	$	3.77		$	3.38
Weighted average fair value of options vested during the year	$	2.32		$	3.41

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

	2022					2021
	Shares or			Weighted		Shares or			Weighted
	Price Per			Average		Price Per			Average
	Share			Exercise Price		Share			Exercise Price
Outstanding at beginning of year		618,858		$	5.33		789,179		$	4.66
Options granted		145,001		$	6.94		117,000		$	6.57
Options exercised		(60,854	)	$	2.45		(195,528	)	$	3.10
Options canceled or expired		(12,000	)	$	7.58		(91,793	)	$	5.88
Options outstanding at end of year		691,005		$	5.87		618,858		$	5.33
Options exercisable at end of year		366,714		$	6.13		313,381		$	5.95
Options vested and expected to vest at end of year		685,154		$	5.88		618,522		$	5.35
Option price range at end of year	$1.90 - $8.69					$1.90 - $8.69
							$
Aggregate intrinsic value of options exercised during year	$	245,420				$	642,181