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Note 7 - Deferred Charges, Net
 6 Months Ended
Jun. 30, 2017
Notes to Financial Statements  
Deferred Charges [Text Block]
7.
Deferred Charges, net:
 
Deferred charges, net include the unamortized dry-docking and special survey costs. The amounts in the accompanying consolidated balance sheets are as follows:
 
  Dry-docking
and Special
Survey Costs
Balance, January 1, 2017   $
20,367
  
Additions    
1,802
  
Amortization    
(3,911
 )
Write-off    
(2
 )
Balance, June 30, 2017   $
18,256
  
 
During the
six
-month period ended
June 30, 2016,
six
vessels underwent and completed their special survey. During the
six
-month period ended
June 30, 2017,
three
vessels underwent and completed their special survey. The amortization of the dry-docking and special survey costs is separately reflected in the accompanying consolidated statements of income.