Note 6 - Loans (Details) - Financing Receivables Modified as Troubled Debt Restructurings within Previous 12 Months for Payment Default (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Note 6 - Loans (Details) - Financing Receivables Modified as Troubled Debt Restructurings within Previous 12 Months for Payment Default [Line Items]
Number of Contracts	3	2	4	4
Recorded Investment	$ 3,398	$ 275	$ 3,484	$ 1,457
Commercial Portfolio Segment [Member]
Note 6 - Loans (Details) - Financing Receivables Modified as Troubled Debt Restructurings within Previous 12 Months for Payment Default [Line Items]
Number of Contracts	2	1	2	2
Recorded Investment	3,007	49	3,007	497
Commercial Real Estate Other Receivable [Member]
Note 6 - Loans (Details) - Financing Receivables Modified as Troubled Debt Restructurings within Previous 12 Months for Payment Default [Line Items]
Number of Contracts	1	1	1	2
Recorded Investment	391	226	391	960
Residential One To Four Family [Member]
Note 6 - Loans (Details) - Financing Receivables Modified as Troubled Debt Restructurings within Previous 12 Months for Payment Default [Line Items]
Number of Contracts			1
Recorded Investment			$ 86