Note 6 - Loans (Details) - Internal Risk Rating by Loan Class (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	$ 649,695	$ 597,995
Commercial Portfolio Segment [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	118,702	131,042
Commercial Portfolio Segment [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	23,440	24,274
Commercial Portfolio Segment [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	4,254	7,177
Commercial Portfolio Segment [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	13,628	7,936
Commercial Portfolio Segment [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	160,024	170,429
Commercial Real Estate Construction Financing Receivable [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	20,990	18,048
Commercial Real Estate Construction Financing Receivable [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	4,589	497
Commercial Real Estate Construction Financing Receivable [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	25,579	18,545
Commercial Real Estate Other Receivable [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	282,190	247,656
Commercial Real Estate Other Receivable [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	25,526	18,343
Commercial Real Estate Other Receivable [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	900	2,309
Commercial Real Estate Other Receivable [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	13,477	21,052
Commercial Real Estate Other Receivable [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	322,093	289,360
Residential One To Four Family [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	55,111	56,832
Residential One To Four Family [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans		1,340
Residential One To Four Family [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	12,473	12,519
Residential One To Four Family [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	67,584	70,691
Residential Real Estate and Home Equities [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	41,069	41,147
Residential Real Estate and Home Equities [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	2,889	2,311
Residential Real Estate and Home Equities [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans		25
Residential Real Estate and Home Equities [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	1,092	1,979
Residential Real Estate and Home Equities [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	45,050	45,462
Consumer Portfolio Segment [Member] | Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	28,936	3,307
Consumer Portfolio Segment [Member] | Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	370	38
Consumer Portfolio Segment [Member] | Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	22	130
Consumer Portfolio Segment [Member] | Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	37	33
Consumer Portfolio Segment [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	29,365	3,508
Pass [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	546,998	498,032
Watch [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	56,814	46,803
Special Mention [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	5,176	9,641
Substandard [Member]
Note 6 - Loans (Details) - Internal Risk Rating by Loan Class [Line Items]
Gross portfolio loans	$ 40,707	$ 43,519