Note 4 - Financing Arrangements (Details Textual) - Bank of America [Member] - Credit Agreement [Member] - Line of Credit [Member] $ in Thousands		3 Months Ended	12 Months Ended
Feb. 29, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 15, 2017 USD ($)
Line of Credit Facility, Maximum Borrowing Capacity	$ 15,000			$ 16,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.20%
Debt Instrument, Maximum Leverage Ratio	2.5
Debt Instrument, Minimum Fixed Charges Coverage Ratio	1.25
Debt Instrument, Interest Rate During Period		9.40%	8.30%
Long-Term Line of Credit		$ 6,220	$ 5,846
Line of Credit Facility, Remaining Borrowing Capacity		8,780
Debt Issuance Costs, Net		$ 50	$ 31

The maximum leverage ratio for a debt instrument.

No definition available.

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- Definition

The minimum fixed charges coverage ratio for debt instrument.

+ References

No definition available.

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- Definition

The average effective interest rate during the reporting period.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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- Definition

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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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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