Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging $ in Thousands	Jun. 30, 2015 USD ($)
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	$ 48,587
Public Funds Collateral [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	24,327
Federal Home Loan Bank Borrowings [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	20,209
Interest Rate Swap Contracts [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	4,051
Securities Pledged as Collateral [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	19,308
Securities Pledged as Collateral [Member] | Public Funds Collateral [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	15,577
Securities Pledged as Collateral [Member] | Interest Rate Swap Contracts [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	3,731
Securities Available to be Pledged [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	29,279
Securities Available to be Pledged [Member] | Public Funds Collateral [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	8,750
Securities Available to be Pledged [Member] | Federal Home Loan Bank Borrowings [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	20,209
Securities Available to be Pledged [Member] | Interest Rate Swap Contracts [Member]
Note 5 - Securities (Details) - Fair Value of the Securities Held for Pledging [Line Items]
Liabilities	$ 320