Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Collectively-Evaluated Loans by Credit Quality Indicator (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 583,140	$ 583,610
Construction, 1-4 Family Residential [Member] | Real Estate Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	17,579	17,702
Construction, 1-4 Family Residential [Member] | Real Estate Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		163
Construction, 1-4 Family Residential [Member] | Real Estate Construction [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		45
Construction Other [Member] | Real Estate Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	28,332	27,971
Construction Other [Member] | Real Estate Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	29	29
Construction Other [Member] | Real Estate Construction [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	14	15
Equity Lines [Member] | Consumer Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	17,060	16,146
Equity Lines [Member] | Consumer Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		16
Equity Lines [Member] | Consumer Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	15
Residential Closed End First Liens [Member] | Consumer Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	76,336	82,767
Residential Closed End First Liens [Member] | Consumer Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	841	1,007
Residential Closed End First Liens [Member] | Consumer Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,665	1,275
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5,079	4,813
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	53	109
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	29	3
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	43,460	38,071
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	100	105
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	331	407
Multifamily Residential Real Estate [Member] | Commercial Real Estate Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	66,196	67,573
Multifamily Residential Real Estate [Member] | Commercial Real Estate Loans [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	721	958
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	129,889	134,137
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	203	2,206
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	2,121	701
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	91,762	89,340
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,194	1,209
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	3,020	3,063
Commercial and Industrial [Member] | Commercial Non Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	30,868	29,987
Commercial and Industrial [Member] | Commercial Non Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	202	878
Commercial and Industrial [Member] | Commercial Non Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	930	295
States & Political Subdivisions [Member] | Public Sector And IDA [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	36,107	34,220
Credit Card Receivable [Member] | Consumer Non Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5,626	6,354
Automobile [Member] | Consumer Non Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	11,195	11,428
Automobile [Member] | Consumer Non Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	157	253
Automobile [Member] | Consumer Non Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	50	34
Other Consumer Loans [Member] | Consumer Non Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	11,956	10,253
Other Consumer Loans [Member] | Consumer Non Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	14	17
Other Consumer Loans [Member] | Consumer Non Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	6	60
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	45,953	45,925
Consumer Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	144,970	144,719
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	295,107	299,187
Commercial Non Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	31,999	31,160
Public Sector And IDA [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	36,107	34,220
Consumer Non Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	29,004	28,399
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	571,445	570,762
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	2,793	5,992
Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 8,902	$ 6,856