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Accrued liabilities
12 Months Ended
Dec. 31, 2015
Accrued Liabilities [Abstract]  
Accrued liabilities
15.      Accrued liabilities
The amounts shown in the accompanying consolidated balance sheets are analyzed as follows:
 
  
 
 
2014
 
 
2015
Audit fees
 
$
432
 
$
386
Legal fees
 
 
1,149
 
 
449
Other professional fees
 
 
350
 
 
26
 Vessel Operating and voyage expenses
 
 
8,477
 
 
9,555
Loan interest and financing fees
 
 
3,330
 
 
4,357
Total Accrued Liabilities
 
$
13,738
 
$
14,773