Note 4 - Debt (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Long-Term Debt Instruments [Table Text Block]

(In Thousands)	December 31,			December 31,
	2022			2021
Senior secured bonds:
8.50% Senior secured bonds due November 2026	$	175,000		$	175,000
Debt discount and issuance costs		(5,964	)		(7,115	)
Total long-term debt	$	169,036		$	167,885

Interest And Debt Costs Incurred Net Of Interest Capitalized [Table Text Block]

(In Thousands)	Year Ended December 31,
	2022			2021			2020
Total interest and debt costs incurred	$	17,413		$	15,607		$	24,156
Less: interest costs capitalized		(224	)		(24	)		—
Total interest and debt costs	$	17,189		$	15,583		$	24,156