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Note 2 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Tables)

12 Months Ended

Oct. 31, 2022

Notes Tables

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

		Years ended October 31,
		2022				2021				2020
Balance at beginning of year		$	61,527			$	524,617			$	99,562
Bad debt expense			8,116				10,750				425,055
Losses charged to allowance			—				(473,840	)			—
Balance at end of year		$	69,643			$	61,527			$	524,617

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

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