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Note 8 - Retirement Plans (Details) - Components of Net Periodic Benefit Cost (USD $)
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Note 8 - Retirement Plans (Details) - Components of Net Periodic Benefit Cost [Line Items]    
Service Cost $ 46,427 $ 92,763
Interest Cost 45,708 62,909
Expected Return on Plan Assets (90,310) (81,547)
Amortization of prior service costs 5,644 5,644
Amortization of Actuarial Loss   35,883
Net Periodic Pension Benefit Cost After Curtailments and Settlements $ 7,469 $ 115,652