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Accrued Liabilities
12 Months Ended
Dec. 31, 2013
Accrued Liabilities (Abstract)  
Accrued Liabilities
9. Accrued Liabilities
Accrued liabilities consist of the following: 
 
 
 
 
 
 
 
 
 
 
  
As of December 31,
 
 
  
2013
 
  
2012
 
Accrued loan interest and loan fees
  
$
312
  
  
$
62
  
Accrued operating expenses
  
 
2,501
  
  
 
1,311
  
Accrued voyage expenses and commissions
  
 
1,543
  
  
 
909
  
Accrued general and administrative expenses
  
 
1,031
  
  
 
499
  
Total
  
$
5,387
  
  
$
2,781
  
.