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Note 9 - Debt (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
  

September 30,

  

December 31,

 

(In thousands)

 

2020

  

2019

 

Secured notes:

        

8.00% Senior secured notes due August 2022 (A) (B) (C)

 $197,049  $224,793 

Troms Offshore borrowings (D):

        
NOK denominated notes due May 2024  8,683   10,260 

NOK denominated notes due January 2026

  16,746   20,788 

USD denominated notes due January 2027

  17,816   20,273 

USD denominated notes due April 2027

  20,240   21,545 
  $260,534  $297,659 

Debt premiums and discounts, net

  (4,779)  (8,725)

Less: Current portion of long-term debt

  (9,576)  (9,890)

Total long-term debt

 $246,179  $279,044