Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted (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 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	1	4	1	4
Outstanding recorded investment	$ 640	$ 795	$ 640	$ 795
1-4 Family [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	1	2	1	2
Outstanding recorded investment	640	187	640	187
Residential Developments [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	2	0	2
Outstanding recorded investment	0	608	0	608
Commercial Real Estate Other [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	0	0	0
Outstanding recorded investment	0	0	0	0
Consumer [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	0	0	0
Outstanding recorded investment	0	0	0	0
Construction Industry [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	0	0	0
Outstanding recorded investment	0	0	0	0
Commercial Business Other [Member]
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	0	0	0
Outstanding recorded investment	$ 0	$ 0	$ 0	$ 0