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Note 3 - Derivative Instruments and Fair Value (Tables)
6 Months Ended
Jun. 30, 2015
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
June 30, 2015
 
   
Carrying Amount
   
Fair Value
 
Debt
               
Short-term borrowings and long-term debt
  $ 24,374,786     $ 24,374,786  
   
December 31, 2014
 
   
Carrying Amount
   
Fair Value
 
Debt
               
Short-term borrowings and long-term debt
  $ 27,411,556     $ 27,411,556  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
           
Fair Value Measurements June 30, 2015
 
Description
 
Total
   
Quoted Prices in Active Markets for Identical assets
(Level 1)
   
Significant Other Observable Inputs (Level 2)
   
Significant Unobservable Inputs (Level 3)
 
Interest Rate Swap, net
  $ 10,716       --     $ 10,716       --  
Total
  $ 10,716       --     $ 10,716       --  
           
Fair Value Measurements December 31, 2014
 
Description
 
Total
   
Quoted Prices in Active Markets for Identical assets
(Level 1)
   
Significant Other Observable Inputs (Level 2)
   
Significant Unobservable Inputs (Level 3)
 
Interest Rate Swap, net
  $ 14,716       --     $ 14,716       --  
Total
  $ 14,716       --     $ 14,716       --