Note 10 - Property, Plant, and Equipment (Details) - Property, Plant, and Equipment (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment $ 292,476 $ 277,873
Less accumulated depreciation and impairment (148,363) (150,233)
Property, plant and equipment, net 144,113 127,640
Land [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment 7,457 7,229
Equipment, Plant [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment 159,337 148,451
Property, Fishing Vessels [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment 101,745 103,754
Furniture and Fixtures [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment 7,091 7,225
Construction in Progress [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant, and Equipment $ 16,846 $ 11,214