Note 12 - Term Loan and Line of Credit 2 (Details Textual)	Jul. 31, 2026 USD ($)
EBC Revolving Loan Facility [Member] \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent
Debt Issuance Costs, Line of Credit Arrangements, Gross	$ 249,000

Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479359/835-30-S45-1

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