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Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable

9 Months Ended

Jul. 31, 2019

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 nine months ended July 31, 2019 and 2018 follows:

		Nine Months Ended
		July 31,
		2019				2018
Balance at beginning of period		$	64,242			$	87,446
Bad debt expense			56,483				(29,247	)
Losses charged to allowance			(25,061	)			(4,648	)
Balance at end of period		$	95,664			$	53,551