Note 6 - Loans (Details) - Internal Risk Rating by Loan Class (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	$ 607,049	$ 597,995
Commercial Portfolio Segment [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	122,796	131,042
Commercial Portfolio Segment [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	27,913	24,274
Commercial Portfolio Segment [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	9,350	7,177
Commercial Portfolio Segment [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	5,688	7,936
Commercial Portfolio Segment [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Commercial Portfolio Segment [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	165,747	170,429
Commercial Real Estate Construction Financing Receivable [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	16,334	18,048
Commercial Real Estate Construction Financing Receivable [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	384	497
Commercial Real Estate Construction Financing Receivable [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	782	0
Commercial Real Estate Construction Financing Receivable [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Commercial Real Estate Construction Financing Receivable [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Commercial Real Estate Construction Financing Receivable [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	17,500	18,545
Commercial Real Estate Other Receivable [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	248,527	247,656
Commercial Real Estate Other Receivable [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	23,155	18,343
Commercial Real Estate Other Receivable [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	907	2,309
Commercial Real Estate Other Receivable [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	19,451	21,052
Commercial Real Estate Other Receivable [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Commercial Real Estate Other Receivable [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	292,040	289,360
Residential One To Four Family [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	56,795	56,832
Residential One To Four Family [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	1,334	1,340
Residential One To Four Family [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Residential One To Four Family [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	12,255	12,519
Residential One To Four Family [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Residential One To Four Family [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	70,384	70,691
Residential Real Estate and Home Equities [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	41,183	41,147
Residential Real Estate and Home Equities [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	2,394	2,311
Residential Real Estate and Home Equities [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	25	25
Residential Real Estate and Home Equities [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	1,917	1,979
Residential Real Estate and Home Equities [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Residential Real Estate and Home Equities [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	45,519	45,462
Consumer Portfolio Segment [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	15,628	3,307
Consumer Portfolio Segment [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	112	38
Consumer Portfolio Segment [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	89	130
Consumer Portfolio Segment [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	30	33
Consumer Portfolio Segment [Member] | Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	0	0
Consumer Portfolio Segment [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	15,859	3,508
Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	501,263	498,032
Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	55,292	46,803
Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	11,153	9,641
Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	39,341	43,519
Doubtful [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Portfolio Loans	$ 0	$ 0