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	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Troubled Debt Restructurings that Subsequently Defaulted [Line Items]
Number of contracts	0	1
Outstanding recorded investment	$ 0	$ 640
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	0	1
Outstanding recorded investment	0	640
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	0
Outstanding recorded investment	0	0
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
Outstanding recorded investment	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
Outstanding recorded investment	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
Outstanding recorded investment	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
Outstanding recorded investment	$ 0	$ 0