Note 6 - Investment Securities Available For Sale (Details) (USD $)				6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Private Label Collateralized Mortgage Obligations [Member]	Jun. 30, 2014 Mortgage-backed Securities, Issued by Private Enterprises [Member]	Dec. 31, 2013 Mortgage-backed Securities, Issued by Private Enterprises [Member]	Jun. 30, 2014 Three Months Ending [Member] Available-for-sale Securities [Member]	Jun. 30, 2013 Available-for-sale Securities [Member]
Note 6 - Investment Securities Available For Sale (Details) [Line Items]
Available-for-sale Securities Pledged as Collateral (in Dollars)	$ 65,800,000	$ 66,300,000
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	86					0	0
Percentage of Portfolio	98.00%
Available-for-sale Securities, Current (in Dollars)	165,506,000	157,143,000	3,000,000	3,318,000	3,693,000
Available-for-sale Securities, Gross Unrealized Gain (in Dollars)				$ 292,000