XML 59 R48.htm IDEA: XBRL DOCUMENT v3.25.1
Note 7 - Commitments and Contingent Liabilities (Details Textual)
$ in Millions
6 Months Ended
Apr. 30, 2025
USD ($)
Spill Fund Lawsuit [Member]  
Loss Contingencies [Line Items]  
Loss Contingency, Damages Sought, Value $ 5.3