Note 2 - Acquisition of Wisconsin Specialty Protein, L.L.C. (Details) (USD $)
1 Months Ended 4 Months Ended 12 Months Ended
Feb. 27, 2013
Equity Purchase Price [Member]
Wisconsin Specialty Protein [Member]
Sep. 30, 2011
Equity Purchase Price [Member]
InCon [Member]
Feb. 27, 2013
Estimated Working Capital [Member]
Wisconsin Specialty Protein [Member]
Sep. 30, 2011
Estimated Working Capital [Member]
InCon [Member]
Apr. 25, 2013
Reduced Earn Out Of Original Formula In 2013 [Member]
InCon [Member]
Apr. 25, 2013
Annual Earn Out Payment of EBITDA, Low Percentage [Member]
InCon [Member]
Apr. 25, 2013
Annual Earn Out Payment of EBITDA, Low Level [Member]
InCon [Member]
Apr. 25, 2013
Annual Earn Out Payment of EBITDA, High Percentage [Member]
InCon [Member]
Apr. 25, 2013
Annual Earn Out Payment of EBITDA, High Level [Member]
InCon [Member]
Feb. 27, 2013
Wisconsin Specialty Protein [Member]
Dec. 31, 2011
InCon [Member]
Dec. 31, 2013
InCon [Member]
Dec. 31, 2012
InCon [Member]
Note 2 - Acquisition of Wisconsin Specialty Protein, L.L.C. (Details) [Line Items]                          
Business Acquisition, Percentage of Voting Interests Acquired                   100.00%      
Payments to Acquire Businesses, Gross $ 26,500,000 $ 8,700,000 $ 600,000 $ 600,000                  
Business Acquisition, Transaction Costs                   800,000 100,000    
Proceeds from Previous Acquisition                         200,000
Annual Earn Out Payments Percentage of EBITDA         35.00% 3.25%   19.50%          
Earnings Before Deduction Of Interest Tax And Amortization Expense             3,000,000   12,000,000        
Business Combination, Consideration Transferred                   $ 27,079,000 $ 9,300,000 $ 9,270,000