Note 7 - Fair Value of Assets and Liabilities (Details) - Financial Assets Measured at Fair Value on Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 7 - Fair Value of Assets and Liabilities (Details) - Financial Assets Measured at Fair Value on Non-Recurring Basis [Line Items]
Impaired loans, net	$ 2,617	$ 9,074
Other real estate owned net	3,925	6,236
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Note 7 - Fair Value of Assets and Liabilities (Details) - Financial Assets Measured at Fair Value on Non-Recurring Basis [Line Items]
Impaired loans, net	2,617	9,074
Other real estate owned net	$ 3,925	$ 6,236