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Note 4 - Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
 
 
201
5
 
 
201
4
 
 
 
(in thousands)
 
Wells Fargo revolving loans, 4.00% and 3.82%, respectively
  $ 25,868     $ 30,643  
American AgCredit term loan, 7.00% and 5.00%, respectively
    14,697       19,533  
Total
    40,565       50,176  
Less current portion
    40,565       2,533  
Long-term debt
  $ -     $ 47,643