Note 8 - Fair Value Measurements (Details) - Impaired Loans and Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 8 - Fair Value Measurements (Details) - Impaired Loans and Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items]
Impaired Loans	$ 1,176	$ 928
Other Real Estate Owned	969	1,435
Fair Value, Inputs, Level 1 [Member]
Note 8 - Fair Value Measurements (Details) - Impaired Loans and Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items]
Impaired Loans	0	0
Other Real Estate Owned	0	0
Fair Value, Inputs, Level 2 [Member]
Note 8 - Fair Value Measurements (Details) - Impaired Loans and Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items]
Impaired Loans	0	0
Other Real Estate Owned	0	0
Fair Value, Inputs, Level 3 [Member]
Note 8 - Fair Value Measurements (Details) - Impaired Loans and Other Real Estate Owned Measured at Fair Value on Nonrecurring Basis [Line Items]
Impaired Loans	1,176	928
Other Real Estate Owned	$ 969	$ 1,435