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Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable

3 Months Ended

Jan. 31, 2021

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 three months ended January 31, 2021 and 2020 follows:

		Three Months Ended
		January 31,
		2021				2020
Balance at beginning of period		$	524,617			$	99,562
Bad debt recovery			(7,524	)			(14,838	)
Balance at end of period		$	517,093			$	84,724

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- Definition

Allowance for doubtful accounts for trade accounts receivable

+ References

No definition available.

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- References

No definition available.

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Data Type:	xbrli:stringItemType
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Period Type:	duration