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	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 577,344	$ 583,610
Real Estate Construction [Member] | Construction, 1-4 Family Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	14,910	17,702
Real Estate Construction [Member] | Construction, 1-4 Family Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	163	163
Real Estate Construction [Member] | Construction, 1-4 Family Residential [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		45
Real Estate Construction [Member] | Construction other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	27,191	27,971
Real Estate Construction [Member] | Construction other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	29	29
Real Estate Construction [Member] | Construction other [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	14	15
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	42,307	45,925
Consumer Real Estate [Member] | Equity Lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	15,935	16,146
Consumer Real Estate [Member] | Equity Lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		16
Consumer Real Estate [Member] | Equity Lines [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	15
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	80,765	82,767
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	658	1,007
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,343	1,275
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5,279	4,813
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	55	109
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	2	3
Consumer Real Estate [Member] | Investor-owned residential real estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	41,089	38,071
Consumer Real Estate [Member] | Investor-owned residential real estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	103	105
Consumer Real Estate [Member] | Investor-owned residential real estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	379	407
Consumer Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	145,623	144,719
Commercial Real Estate Loans [Member] | Multifamily Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	67,175	67,573
Commercial Real Estate Loans [Member] | Multifamily Residential Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	728	958
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	131,259	134,137
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	2,175	2,206
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	754	701
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	90,473	89,340
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,201	1,209
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	3,037	3,063
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	296,802	299,187
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	30,748	29,987
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	881	878
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	293	295
Commercial Non Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	31,922	31,160
Public Sector and IDA [Member] | States & Political Subdivisions [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	33,706	24,220
Public Sector and IDA [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	33,706	34,220
Consumer Non Real Estate [Member] | Credit Card Receivable [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5,141	6,354
Consumer Non Real Estate [Member] | Automobile [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	11,781	11,428
Consumer Non Real Estate [Member] | Automobile [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	110	253
Consumer Non Real Estate [Member] | Automobile [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	22	34
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	9,911	10,253
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	12	17
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	7	60
Consumer Non Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	26,984	28,399
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	565,363	570,762
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5,387	5,992
Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 6,594	$ 6,856