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Note 6 - Leases (Tables)
6 Months Ended
Jun. 30, 2014
Leases, Operating [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Year ending December 31,
 
Office Lease
 
2014 (Remainder)
    20  
2015
    41  
2016
    41  
2017
    41  
2018
    41  
2019 and thereafter
    246  
  Total
    430  
Schedule of Future Minimum Time-Charter Receipts [Table Text Block]
Year ending December 31,
 
Time Charter receipts
 
2014
    2,944  
2015
    5,840  
2016
    2,016  
  Total
    10,800