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Note 5 - Long-term Debt (Details Textual) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Feb. 04, 2022	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	May 02, 2023
Amortization of Debt Issuance Costs		$ 0.9	$ 0.9	$ 2.8	$ 2.4
Senior Secured Notes [Member]
Debt Instrument, Face Amount	$ 360.0
Debt Instrument, Interest Rate, Stated Percentage	6.75%
Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 45.0
Line of Credit Facility, Commitment Fee Percentage	0.50%
Credit Agreement [Member] | Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 5.0
The 9.00% Note [Member]
Debt Instrument, Face Amount						$ 275.0
Debt Instrument, Interest Rate, Stated Percentage						9.00%

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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