Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	$ 127,247	$ 107,956
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	0	0
Mortgage loan commitments	0	0
Total	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	127,247	107,956
Mortgage loan commitments	28	2
Total	127,275	107,958
Fair Value, Inputs, Level 2 [Member]
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	127,247	107,956
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	0	0
Mortgage loan commitments	0	0
Total	0	0
Fair Value, Measurements, Recurring [Member]
Note 5 - Fair Value Measurements (Details) - Fair Value, Assets and Liabilities Measured on Recurring basis [Line Items]
Securities available for sale	127,247	107,956
Mortgage loan commitments	28	2
Total	$ 127,275	$ 107,958