Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale	Jun. 30, 2014
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Moody's Credit Rating	100.00%
Available For Sale Securities: Standard Poors Credit Rating	100.00%
Standard and Poor's AA+ - AA- [Member]
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Standard Poors Credit Rating	44.00%
Not Rated [Member]
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Standard Poors Credit Rating	56.00%
Moody's Aa1 - Aa3 [Member]
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Moody's Credit Rating	59.00%
Moody's A1-A2 [Member]
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Moody's Credit Rating	17.00%
Not Rated [Member]
Note 4 - Investment Securities Available-for-sale (Details) - Ratings by Segment of Investment Securities Available for Sale [Line Items]
Available For Sale Securities: Moody's Credit Rating	24.00%