Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable

6 Months Ended

Apr. 30, 2023

Notes to Financial Statements

Allowance for Doubtful Accounts for Trade Accounts Receivable Disclosure [Text Block]

(3) Allowance for Doubtful Accounts for Trade Accounts Receivable

A summary of changes in the allowance for doubtful accounts for trade accounts receivable for the six months ended April 30, 2023 and 2022 follows:

	Six Months Ended
	April 30,
	2023		2022
Balance at beginning of period	$	69,643	$	61,527
Bad debt expense		14,959		18,038
Balance at end of period	$	84,602	$	79,565