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Note 10 - Capital Requirements (Details)
Sep. 30, 2014
Jan. 01, 2015
Scenario, Forecast [Member]
Note 10 - Capital Requirements (Details) [Line Items]    
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets   4.50%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets 4.00% 6.00%
Capital Required for Capital Adequacy to Risk Weighted Assets   8.00%
Tier One Leverage Capital Required for Capital Adequacy to Average Assets   4.00%
Capital Conservation Buffer   2.50%