Note 3 - Loans Receivable (Details) - Impaired Loans (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Loans with no related allowance, recorded investment	$ 11,828	$ 11,511
Loans with no related allowance, unpaid principal balance	12,003	11,511
Loans with no related allowance, average balance total loans	12,139	12,063
Loans with no related allowance, interest income recognized	242	573
Loans with an related allowance, recorded investment	155	479
Loans with an related allowance, unpaid principal balance	155	479
Loans, related allowance	150	173
Loans with an related allowance, average balance total loans	155	473
Loans with an related allowance, interest income recognized	1	17
Land Acquistion, Development and Commercial [Member]
Financing Receivable, Impaired [Line Items]
Loans with no related allowance, recorded investment	1,397	1,550
Loans with no related allowance, unpaid principal balance	1,397	1,550
Loans with no related allowance, average balance total loans	1,548	1,550
Loans with no related allowance, interest income recognized	33	67
Real Estate Residential [Member]
Financing Receivable, Impaired [Line Items]
Loans with no related allowance, recorded investment	261	412
Loans with no related allowance, unpaid principal balance	436	412
Loans with no related allowance, average balance total loans	434	415
Loans with no related allowance, interest income recognized	1	18
Loans with an related allowance, recorded investment		438
Loans with an related allowance, unpaid principal balance		438
Loans, related allowance		163
Loans with an related allowance, average balance total loans		439
Loans with an related allowance, interest income recognized		16
Real Estate Commercial [Member]
Financing Receivable, Impaired [Line Items]
Loans with no related allowance, recorded investment	10,170	9,266
Loans with no related allowance, unpaid principal balance	10,170	9,266
Loans with no related allowance, average balance total loans	10,157	9,365
Loans with no related allowance, interest income recognized	208	442
Loans with an related allowance, recorded investment	155
Loans with an related allowance, unpaid principal balance	155
Loans, related allowance	150
Loans with an related allowance, average balance total loans	155
Loans with an related allowance, interest income recognized	1
Commercial, Industrial and Agricultural [Member]
Financing Receivable, Impaired [Line Items]
Loans with no related allowance, recorded investment		283
Loans with no related allowance, unpaid principal balance		283
Loans with no related allowance, average balance total loans		733
Loans with no related allowance, interest income recognized		46
Loans with an related allowance, recorded investment		41
Loans with an related allowance, unpaid principal balance		41
Loans, related allowance		10
Loans with an related allowance, average balance total loans		34
Loans with an related allowance, interest income recognized		$ 1