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

9 Months Ended

Jul. 31, 2022

Notes Tables

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

		Nine Months Ended
		July 31,
		2022				2021
Balance at beginning of period		$	61,527			$	524,617
Bad debt expense			38,063				10,828
Balance at end of period		$	99,590			$	535,445

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- Definition

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

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