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Advances for Vessel Under Construction and Acquisitions (Tables)
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Summary of Advances for vessel under construction and acquisitions
For the years ended December 31, 2019 and 2020, the movement of the account, advances for vessel under construction and acquisitions was as follows:
 
Balance, December 31, 2018
   
 
—  
 
Advance for vessel under construction
      2,891,283  
Capitalized interest
      97,620  
    
 
 
  
Balance, December 31, 2019
   
 
2,988,903
 
Advance for vessel under construction
      2,891,283  
Capitalized interest
      168,344  
Supervision fees (Note 3)
      210,970  
Other capitalized expenses
      279,615  
Balance, December 31, 2020
   
 
6,539,115