Note 10 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 10 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Impaired loans, net of valuation allowance	$ 306	$ 1,130
Other real estate owned	8,143	8,938	9,562
Fair Value, Inputs, Level 2 [Member]
Note 10 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Impaired loans, net of valuation allowance		62
Other real estate owned	3,745	4,382
Fair Value, Inputs, Level 3 [Member]
Note 10 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Impaired loans, net of valuation allowance	306	1,068
Other real estate owned	$ 4,398	$ 4,556