XML 28 R12.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories
4. Inventories
The amounts shown in the accompanying consolidated balance sheets are analyzed as follows:
 
    
December 31,
 
    
2019
    
2020
 
Bunkers
     1,112,667        2,152,601  
Lubricants
     1,335,036        1,534,497  
    
 
 
    
 
 
 
Total
  
 
2,447,703
 
  
 
3,687,098