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Note 5 - Long-term Debt (Details Textual) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 04, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	May 02, 2023
Amortization of Debt Issuance Costs		$ 0.9	$ 0.9	$ 1.8	$ 1.9
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%