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Note 6 - Syndicated Revolver (Details Textual) - Royal Bank, Bank of Montreal, Bank of Nova Scotia, HSBC and CIBC [Member] $ in Millions		6 Months Ended
	Aug. 08, 2022	Jun. 30, 2023 USD ($)	Dec. 31, 2023	Dec. 30, 2023	Sep. 30, 2023	Sep. 23, 2023	Mar. 14, 2023 USD ($)	Oct. 26, 2021 USD ($)	Jun. 14, 2019 USD ($)
Maximum Total Funded Debt to EBITDA Ratio	4.00				3.75		4.50
Minimum Fixed Charge Coverage Ratio	3.00
Debt Instrument, SOFR Floor	0.00%
Line of Credit Facility, Periodic Payment		$ 9.8
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

X

- Definition

The SOFR floor of the debt instrument.

+ References

No definition available.

+ Details

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X

- Definition

Represent the suspension to the credit facility.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- 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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X

- Definition

The minimum fixed charge coverage ratio.

+ References

No definition available.

+ Details

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X

- 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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X

- 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

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X

- Definition

Amount of the required periodic payments of both interest and principal.

+ 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

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X

- Details

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- Details

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- Details

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