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Note 1 - Principal Business Activity and Summary of Significant Account Policies (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
2015
   
2014
 
   
Carrying
Amount
   
Fair
Value
   
Carrying
Amount
   
Fair
Value
 
Debt
                               
Short-term borrowings and long-term debt
  $ 25,195,452     $ 25,195,452     $ 27,411,556     $ 27,411,556  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
           
Fair Value Measurements 201
5
 
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
  $ 4,453       --     $ 4,453       --  
Total
  $ 4,453       --     $ 4,453       --  
           
Fair Value Measurements
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
  $ 14,716       --     $ 14,716       --  
Total
  $ 14,716       --     $ 14,716       --