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Note 13 - Per Share Calculation (Details Textual) - shares	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Non Vested Stock and Outstanding Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		300,000
Convertible Debt Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)			33
Exchangeable Note Unit Rate Stated Percentage			6.00%
Out of the Money Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	200,000	200,000	200,000

X

- Definition

Represents the stated percentage of the exchangeable note unit.

+ References

No definition available.

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X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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