Note 7 - Debt - Senior Unsecured Notes due 2026 and 2029 (Details) - USD ($) $ in Thousands			12 Months Ended
	Nov. 27, 2024	Jul. 13, 2021	Dec. 31, 2024	Dec. 11, 2024	Nov. 21, 2024	Nov. 20, 2024
Debt
Commission and fees			$ 2,340
Long-term Debt, Total			92,416
Unsecured Debt
Debt
Aggregate principal amount					$ 75,000	$ 45,000
9.00% Senior Notes due 2026 | Unsecured Debt
Debt
Aggregate principal amount		$ 34,500
Interest rate		9.00%
Amount of note offering costs		$ 2,400
Redemption price percentage		100.00%
Long-term Debt, Total			$ 33,800
Effective interest rate			10.45%
Amount of unamortized discounts and issuance costs		$ 700
8.375% Senior Notes due 2029 | Unsecured Debt
Debt
Aggregate principal amount	$ 50,000		$ 57,500	$ 7,500
Commission and fees	$ 2,300
Interest rate	8.375%
Amount of note offering costs	$ 800
Redemption price percentage	100.00%
Long-term Debt, Total			54,400
Effective interest rate	9.78%
Amount of unamortized discounts and issuance costs	$ 3,100		$ 3,100