Note 3 - Discontinued Operations (Details Textual)	Jul. 31, 2024 USD ($)
Discontinued Operations [Member] \| Tools [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 1,800,000

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant