Note 8 - Stock-based Compensation and Equity Transactions (Tables)

9 Months Ended

Jul. 31, 2023

Notes Tables

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

	Nine Months Ended July 31,
	2023			2022
Risk-free interest rate		3.76	%		1.47	%
Dividend yield		0.00	%		0.00	%
Expected life of the option (in years)		7.01			7.00
Volatility factor		54.30	%		53.36	%

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

				Weighted
				Average
	Shares			Exercise Price
Outstanding at November 1, 2022		691,005		$	5.87
Options granted		158,181		$	5.46
Options exercised		(45,000	)	$	1.90
Options cancelled		-		$	-
Options outstanding at July 31, 2023		804,186		$	6.01
Options exercisable at July 31, 2023		471,466		$	6.34
Options vested and expected to vest at July 31, 2023		798,697		$	6.02