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Note 11 - Retirement Plans (Details) - Components of Net Periodic Benefit Cost (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Components of Net Periodic Benefit Cost [Abstract]        
Service Cost $ 46,427 $ 37,754 $ 92,854 $ 130,517
Interest Cost 45,708 62,908 91,416 125,817
Expected Return on Plan Assets (90,310) (81,546) (180,620) (163,093)
Amortization of prior service costs 5,644 5,644 11,288 11,288
Amortization of Actuarial Loss   35,882   71,765
Net Periodic Pension Benefit Cost After Curtailments and Settlements $ 7,469 $ 60,642 $ 14,938 $ 176,294