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Note 7 - Vessels and Advances, Net (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule Vessels and Advances, Net [Table Text Block]
   

Vessel Cost

   

Accumulated

Depreciation

   

Net Book

Value

 

Balance, January 1, 2020

  $ 3,573,751     $ (1,141,921 )   $ 2,431,830  

Depreciation

    -       (101,541 )     (101,541 )

Vessel acquisitions, advances and other vessels’ costs

    275,230       -       275,230  

Vessel sales, transfers and other movements

    (323,014 )     168,005       (155,009 )

Balance, December 31, 2020

  $ 3,525,967     $ (1,075,457 )   $ 2,450,510  

Depreciation

    -       (129,406 )     (129,406 )

Vessel acquisitions, advances and other vessels’ costs

    1,467,937       -       1,467,937  

Vessel sales, transfers and other movements

    (306,008 )     167,159       (138,849 )

Balance, December 31, 2021

  $ 4,687,896     $ (1,037,704 )   $ 3,650,192