Note 7 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Recurring and Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets Measured on a Recurring Basis
Securities Available For Sale	$ 100,491	$ 108,762
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	30,421	18,369
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	30,421	18,369
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	30,421	18,369
Agency Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Agency Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	15,716	20,241
Agency Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Agency Collateralized Mortgage Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	15,716	20,241
Agency Collateralized Mortgage Obligations [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	15,716	20,241
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	22,428	30,914
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	22,428	30,914
US Government Agencies Debt Securities [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	22,428	30,914
Municipal Notes [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Municipal Notes [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	31,921	36,040
Municipal Notes [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Municipal Notes [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	31,921	36,040
Municipal Notes [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	31,921	36,040
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	5	3,198
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Mutual Funds [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	5	3,198
Mutual Funds [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	5	3,198
Residential Mortgage Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Foreclosed Real Estate	0	0
Residential Mortgage Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Foreclosed Real Estate	0	0
Residential Mortgage Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	1,244	1,928
Foreclosed Real Estate	58	466
Residential Mortgage Segment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	1,244	1,928
Foreclosed Real Estate	58	466
Land Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Land Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Land Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	107	120
Land Segment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	107	120
Residential Construction Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Residential Construction Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Residential Construction Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Residential Construction Segment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Commercial Real Estate Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Commercial Real Estate Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Commercial Real Estate Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	1,696	2,441
Commercial Real Estate Segment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	1,696	2,441
Commercial Business [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Commercial Business [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Commercial Business [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	638	639
Commercial Business [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	638	639
Home Equity And Second Mortgage [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Home Equity And Second Mortgage [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Home Equity And Second Mortgage [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	154	263
Home Equity And Second Mortgage [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	154	263
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	5	3,198
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Loans Held For Sale	0	0
Foreclosed Real Estate	0	0
Fair Value, Inputs, Level 1 [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	5	3,198
Assets Measured on a Nonrecurring Basis
Loans Held For Sale	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	100,486	105,564
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	0	0
Loans Held For Sale	1,039	1,611
Foreclosed Real Estate	0	0
Fair Value, Inputs, Level 2 [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	100,486	105,564
Assets Measured on a Nonrecurring Basis
Loans Held For Sale	1,061	1,644
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	3,839	5,391
Loans Held For Sale	0	0
Foreclosed Real Estate	58	466
Fair Value, Inputs, Level 3 [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	0	0
Assets Measured on a Nonrecurring Basis
Loans Held For Sale	0	0
Fair Value, Measurements, Recurring [Member]
Assets Measured on a Recurring Basis
Securities Available For Sale	100,491	108,762
Fair Value, Measurements, Nonrecurring [Member]
Assets Measured on a Nonrecurring Basis
Impaired Loans	3,839	5,391
Loans Held For Sale	1,039	1,611
Foreclosed Real Estate	$ 58	$ 466