Note 3 - Loans Receivable (Details) - Past Due and Non-accrual Status of Loans (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 1,271	$ 60
60-89 Days Past Due	46	1,442
90 Days or More Past Due	547	1,569
Total Past Due	1,864	3,071
Current	285,460	271,866
Total Loans	287,324	274,937
Nonaccrual Loans	801	2,689
Construction Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90 Days or More Past Due	0	0
Total Past Due	0	0
Current	6,804	5,036
Total Loans	6,804	5,036
Nonaccrual Loans	0	0
Land Acquistion, Development and Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	723
90 Days or More Past Due	0	1,034
Total Past Due	0	1,757
Current	20,120	18,441
Total Loans	20,120	20,198
Nonaccrual Loans	0	1,756
Real Estate Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	173	0
60-89 Days Past Due	0	562
90 Days or More Past Due	520	184
Total Past Due	693	746
Current	68,040	68,945
Total Loans	68,733	69,691
Nonaccrual Loans	520	582
Real Estate Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	862	0
60-89 Days Past Due	0	0
90 Days or More Past Due	0	236
Total Past Due	862	236
Current	123,723	109,066
Total Loans	124,585	109,302
Nonaccrual Loans	0	236
Commercial, Industrial and Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	99	0
60-89 Days Past Due	46	157
90 Days or More Past Due	27	0
Total Past Due	172	157
Current	38,484	42,225
Total Loans	38,656	42,382
Nonaccrual Loans	183	0
Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	98	60
60-89 Days Past Due	0	0
90 Days or More Past Due	0	115
Total Past Due	98	175
Current	19,311	20,329
Total Loans	19,409	20,504
Nonaccrual Loans	59	115
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	39	0
60-89 Days Past Due	0	0
90 Days or More Past Due	0	0
Total Past Due	39	0
Current	8,978	7,824
Total Loans	9,017	7,824
Nonaccrual Loans	$ 39	$ 0