Note 7 - Loss Per Share (Tables)

6 Months Ended

Apr. 30, 2023

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended April 30,				Six Months Ended April 30,
	2023		2022		2023		2022
Weighted average shares outstanding for basic earnings per share		10,290,911		10,107,687		10,256,158		10,087,309
Add effects of potentially dilutive securities-assumed exercise of stock options		36,360		135,949		-		142,395
Weighted average shares outstanding for diluted earnings per share		10,327,271		10,243,636		10,256,158		10,229,704