Quarterly report pursuant to Section 13 or 15(d)

Note 17 - Related Party Transaction (Details Textual)

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Note 17 - Related Party Transaction (Details Textual) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended 24 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Oct. 31, 2020
Oct. 31, 2017
Income Taxes Paid, Net, Total $ 841 $ 343   $ 4,300
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       34.00%
Effective Income Tax Rate Reconciliation, Net Operating Loss Carryforwards, Amount     $ 4,300  
General and Administrative Expense [Member]        
Settlement of Tax Refunds from Net Operating Loss Carryforwards     $ 2,000