Note 7 - Stock-based Compensation and Equity Transactions (Tables)

6 Months Ended

Apr. 30, 2024

Notes Tables

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

	Six Months Ended April 30,
	2024			2023
Risk-free interest rate		4.00	%		3.76	%
Dividend yield		0.00	%		0.00	%
Expected life of the option (in years)	7.00			7.00
Volatility factor		51.80	%		54.30	%

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

				Weighted
				Average
	Shares			Exercise Price
Outstanding at November 1, 2023		754,186		$	6.04
Options granted		245,001		$	3.01
Options exercised		-		$	-
Options cancelled		(36,015	)	$	8.07
Options outstanding at April 30, 2024		963,172		$	5.19
Options exercisable at April 30, 2024		516,776		$	5.94
Options vested and expected to vest at April 30, 2024		957,705		$	5.09