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Revenues (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Summary of Analysis of Consolidated Statements of Operations
The amounts in the accompanying consolidated statements of operations are analyzed as follows:
 
    
Year ended December 31,
 
    
2019
    
2020
    
2021
 
Time charter revenues
     97,249,537        101,837,425        105,966,167  
Bareboat revenues
     21,764,102        16,876,956        9,624,684  
Voyage charter revenues
     24,018,198        25,161,401        33,813,496  
Other income
     1,227,475        1,127,239        800,180  
    
 
 
    
 
 
    
 
 
 
Total
  
 
144,259,312
 
  
 
145,003,021
 
  
 
150,204,527