Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Tables)

3 Months Ended

Jan. 31, 2023

Notes Tables

Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable [Table Text Block]

	Three Months Ended
	January 31,
	2023			2022
Balance at beginning of period	$	69,643		$	61,527
Bad debt expense		(9,787	)		(4,328	)
Balance at end of period	$	59,856		$	57,199