Note 17 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Available for sale investment securities:
Investment securities, available for sale	$ 70,828	$ 53,325
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale investment securities:
Investment securities, available for sale	41,924	45,393
US States and Political Subdivisions Debt Securities [Member]
Available for sale investment securities:
Investment securities, available for sale	41,924	45,393
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale investment securities:
Investment securities, available for sale	28,904
Collateralized Mortgage Backed Securities [Member]
Available for sale investment securities:
Investment securities, available for sale	28,904
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale investment securities:
Investment securities, available for sale		7,932
Corporate Debt Securities [Member]
Available for sale investment securities:
Investment securities, available for sale		7,932
Fair Value, Inputs, Level 2 [Member]
Available for sale investment securities:
Investment securities, available for sale	$ 70,828	$ 53,325