Note 3 - Loans Receivable (Details) - Past Due and Non-accrual Status of Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 655	$ 60
60-89 Days Past Due	92	1,442
90 Days or More Past Due	508	1,569
Total Past Due	1,255	3,071
Current	281,395	271,866
Total Loans	282,650	274,937
Nonaccrual Loans	1,223	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	6,676	5,036
Total Loans	6,676	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	62	1,034
Total Past Due	62	1,757
Current	18,086	18,441
Total Loans	18,148	20,198
Nonaccrual Loans	62	1,756
Real Estate Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	482	0
60-89 Days Past Due	0	562
90 Days or More Past Due	446	184
Total Past Due	928	746
Current	66,494	68,945
Total Loans	67,422	69,691
Nonaccrual Loans	928	582
Real Estate Commercial [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	236
Total Past Due	0	236
Current	124,176	109,066
Total Loans	124,176	109,302
Nonaccrual Loans	0	236
Commercial, Industrial and Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	28	157
90 Days or More Past Due	0	0
Total Past Due	28	157
Current	37,190	42,225
Total Loans	37,218	42,382
Nonaccrual Loans	173	0
Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	173	60
60-89 Days Past Due	60	0
90 Days or More Past Due	0	115
Total Past Due	233	175
Current	19,435	20,329
Total Loans	19,668	20,504
Nonaccrual Loans	60	115
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due		0
60-89 Days Past Due	4	0
90 Days or More Past Due	0	0
Total Past Due	4	0
Current	9,338	7,824
Total Loans	9,342	7,824
Nonaccrual Loans	$ 0	$ 0