Note 1 - Unaudited Interim Condensed Consolidated Financial Statements (Details Textual) - USD ($) $ in Thousands		1 Months Ended
	May 01, 2020	May 31, 2020	Jul. 31, 2022	Oct. 31, 2021
Employee Retention Tax Credit Receivable			$ 1,685	$ 1,774
Other Current Assets [Member]
Employee Retention Tax Credit Receivable			$ 1,700
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-Term Debt, Total	$ 2,800	$ 2,800