Note 10 - Property, Plant, and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
    2013     2012  
    (in thousands)    

Land

  $ 7,457     $ 7,229  

Plant assets

    159,337       148,451  

Fishing vessels

    101,745       103,754  

Furniture and fixtures

    7,091       7,225  

Construction in progress

    16,846       11,214  

Total property and equipment

    292,476       277,873  

Less accumulated depreciation and impairment

    (148,363 )     (150,233 )

Property, plant and equipment, net

  $ 144,113     $ 127,640