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Note 7 - Syndicated Revolver (Details Textual) $ in Millions			3 Months Ended		9 Months Ended
	Sep. 08, 2025 USD ($)	Sep. 22, 2023 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jun. 29, 2024
Bank of Montreal [Member] | The 2023 Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 240.0
Line of Credit Facility, Increasing Capacity, Total Funded Debt to Adjusted EBITDA Ratio Benchmark		3.75
Debt Instrument, Fee Amount	$ 0.4	$ 0.9
Legal Fees		$ 0.3
Debt Instrument, Extension, Term (Year)	1 year
Maximum Total Funded Debt to EBITDA Ratio							3.75
Minimum Fixed Charge Coverage Ratio		3
Debt Instrument, Required Principal Payment		$ 190.4
Amortization of Debt Issuance Costs			$ 0.1	$ 0.4	$ 0.1	$ 0.4
Bank of Montreal [Member] | The 2023 Credit Facility [Member] | Maximum [Member]
Line of Credit Facility, Additional Borrowing Capacity Available Through New Commitment		$ 60.0
Royal Bank, Bank of Montreal, Bank of Nova Scotia, HSBC and CIBC [Member] | Guaranteed Credit Facility [Member]
Repayments of Debt			$ 2.5	$ 2.5	$ 5.0	$ 14.5

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Ratio of total funded debt to EDITDA that triggers obligation to repay 50% of excess cash flow as defined under the credit agreement.

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Amount of amortization expense attributable to debt issuance costs.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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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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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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