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Note 4 - Indebtedness (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

		December 31,				December 31,
(In thousands)		2020				2019
Secured notes:
8.00% Secured notes due August 2022		$	147,049			$	224,793
Troms Offshore borrowings:
NOK denominated notes due May 2024			5,954				10,260
NOK denominated notes due January 2026			14,559				20,788
USD denominated notes due January 2027			14,744				20,273
USD denominated notes due April 2027			15,669				21,545
			197,975				297,659
Debt premium and discount, net			(5,244	)			(8,725	)
Less: Current portion of long-term debt			(27,797	)			(9,890	)
Total long-term debt		$	164,934			$	279,044

Schedule of Debt [Table Text Block]

		December 31,				December 31,
(In thousands)		2020				2019
Notes due May 2024
NOK denominated			51,120				89,460
U.S. dollar equivalent		$	5,954			$	10,260
Fair value in U.S. dollar equivalent (Level 2)			5,954				10,259
Notes due January 2026
NOK denominated			125,000				181,250
U.S. dollar equivalent		$	14,559			$	20,788
Fair value in U.S. dollar equivalent (Level 2)			14,789				20,792
Notes due January 2027
Amount outstanding		$	14,744			$	20,273
Fair value of debt outstanding (Level 2)			15,040				20,278
Notes due April 2027
Amount outstanding		$	15,669			$	21,545
Fair value of debt outstanding (Level 2)			15,775				21,546

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

		Year Ended December 31,
(In thousands)		2020				2019				2018
Interest and debt costs incurred, net of interest capitalized		$	24,156			$	29,068			$	30,439
Interest costs capitalized			—				—				521
Total interest and debt costs		$	24,156			$	29,068			$	30,960

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