Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Impaired loans, net of valuation allowance	$ 5	$ 306
Other real estate owned	7,394	8,143	8,440	8,938
Fair Value, Inputs, Level 2 [Member]
Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Other real estate owned	3,964	3,745
Fair Value, Inputs, Level 3 [Member]
Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Non-Recurring Basis [Line Items]
Impaired loans, net of valuation allowance	5	306
Other real estate owned	$ 3,430	$ 4,398