Note 2 - Acquisition of Wisconsin Specialty Protein, L.L.C. (Details) - Fair Value of the Wisconsin Specialty Protein Assets and Acquired Liabilities Assumed (USD $)
In Thousands, unless otherwise specified
1 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Feb. 27, 2013
Wisconsin Specialty Protein [Member]
Dec. 31, 2013
Wisconsin Specialty Protein [Member]
Note 2 - Acquisition of Wisconsin Specialty Protein, L.L.C. (Details) - Fair Value of the Wisconsin Specialty Protein Assets and Acquired Liabilities Assumed [Line Items]        
Cash     $ 403  
Other current assets, net including receivables, prepaid and inventory     2,515  
Property, plant, and equipment, net     14,095  
Identifiable intangible assets (a)     4,448 [1]  
Liabilities assumed     (5,996)  
Total identifiable net assets     15,465  
Goodwill 19,600 7,986 11,614 11,614
Total consideration     $ 27,079  
[1] See Note 11 - Goodwill and Other Intangible Assets for weighted average lives.