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Note 6 - Loan Payable (Details Textual) - Royal Bank, Bank of Montreal, Bank of Nova Scotia, HSBC and CIBC [Member] $ in Millions | Mar. 14, 2023 USD ($) | Aug. 08, 2022 | Dec. 31, 2023 | Dec. 30, 2023 | Sep. 30, 2023 | Sep. 23, 2023 | Oct. 26, 2021 USD ($) | Jun. 14, 2019 USD ($)
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Maximum Total Funded Debt to EBITDA Ratio | 4.50 | 4.00 |  |  | 3.75 |  |  |
Minimum Fixed Charge Coverage Ratio |  | 3.00 |  |  |  |  |  |
Debt Instrument, SOFR Floor |  | 0.00% |  |  |  |  |  |
Line of Credit Facility, Periodic Payment | $ 2.8 |  |  |  |  |  |  |
Forecast [Member] |  |  |  |  |  |  |  |
Maximum Total Funded Debt to EBITDA Ratio |  |  |  | 3.75 |  | 4.00 |  |
Minimum Fixed Charge Coverage Ratio |  |  | 3.00 |  |  |  |  |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.10% |  |  |  |  |  |
Adjusted One Month SOFR [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.10% |  |  |  |  |  |
Adjusted Three Month SOFR [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.15% |  |  |  |  |  |
Adjusted Six Month SOFR [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.25% |  |  |  |  |  |
Guaranteed Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 240.0
Accordion Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 240.0 |
Line of Credit Facility, Suspended Amount | $ 60.0 |  |  |  |  |  |  |

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- Definition The SOFR floor of the debt instrument. + References No definition available. + Details
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- Definition Represent the suspension to the credit facility. + References No definition available. + Details
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- Definition Ratio of total funded debt to EDITDA that triggers obligation to repay 50% of excess cash flow as defined under the credit agreement. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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