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

Apr. 30, 2022

Notes Tables

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

		Six Months Ended
		April 30,
		2022				2021
Balance at beginning of period		$	61,527			$	524,617
Bad debt expense			18,038				4,616
Balance at end of period		$	79,565			$	529,233

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Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable [Table Text Block]

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