Note 1 - Basis of Presentation (Details Textual) - Consolidated Joint Venture [Member]	Oct. 31, 2022	Oct. 31, 2021
Noncontrolling Interest, Ownership Percentage by Parent	100.00%	99.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	1.00%	1.00%
Subsidiaries [Member]
Noncontrolling Interest, Ownership Percentage by Parent	80.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant