Note 12 - Regulatory Capital (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Disclosure Text Block [Abstract]
Amount Available for Dividend Distribution without Affecting Capital Adequacy Requirements (in Dollars)	$ 14.3
Tier One Risk Based Capital Required For Capital Adequacy to Risk Weighted Assets, Future Adopted	4.50%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets, Future Adopted	6.50%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets, Future Adopted	6.00%
Tier One Leverage Capital Required For Capital Adequacy to Average Assets, Future Adopted	8.00%
Capital Conservation Buffer, Common Equity, Tier One Capital Over Minimum Risk Based Capital, Future Adopted	2.50%