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Note 11 - Term Loan, Line of Credit and PPP Loans (Details Textual)	1 Months Ended		12 Months Ended
	Feb. 28, 2022 USD ($)	May 31, 2020 USD ($)	Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)	Jan. 31, 2022 USD ($)
Proceeds from Issuance of Long-Term Debt, Total			$ 17,000,000	$ 0
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Long-Term Debt, Total		$ 2,800,000
Term Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage	3.76%
Revolving Credit Facility [Member]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Long-Term Line of Credit, Total			$ 0
Bank of America, N.A. [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000,000.0
Debt Instrument, Face Amount	$ 17,000,000
Debt Instrument, Covenant, Maximum EBITDA Ratio			3.00
Debt Instrument, Covenant, Fixed Charge Coverage Ratio				1.25
Dent Instrument, Covenant Required Ebitda					$ 600,000
Term Loan [Member]
Long-Term Debt, Gross			$ 15,586,000

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- Definition

Represents covenant for fixed charge ratio.

+ References

No definition available.

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- Definition

Represents covenant for EBITDA requirement.

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- Definition

Represent the required EBITDA by a covenant.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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