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Note 11 - Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
    Six Months Ended     Three Months Ended  
    June 30,     June30,  
    2014     2013     2014     2013  
Pension Benefits                                

Service Cost

  $ 92,854     $ 130,517     $ 46,427     $ 37,754  

Interest Cost

    91,416       125,817       45,708       62,908  

Expected Return on Plan Assets

    (180,620 )     (163,093 )     (90,310 )     (81,546 )

Amortization of prior service costs

    11,288       11,288       5,644       5,644  

Amortization of Actuarial Loss

    -       71,765       -       35,882  

Net Periodic Pension Benefit Cost After Curtailments and Settlements

  $ 14,938     $ 176,294     $ 7,469     $ 60,642  
Minimum required contribution   $ -     $ -     $ -     $ -  
Expected contribution   $ -     $ -     $ -     $ -