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	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 574,506	$ 574,659
Real Estate Construction [Member] | Construction, 1-4 Family Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	17,451	14,344
Real Estate Construction [Member] | Construction, 1-4 Family Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	158	158
Real Estate Construction [Member] | Construction other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	34,375	29,011
Real Estate Construction [Member] | Construction other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	30
Real Estate Construction [Member] | Construction other [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	16	120
Consumer Real Estate [Member] | Equity Lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	16,289	17,742
Consumer Real Estate [Member] | Equity Lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	33	100
Consumer Real Estate [Member] | Equity Lines [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		182
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	81,171	113,893
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,446	652
Consumer Real Estate [Member] | Residential closed end first liens [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	1,605	2,413
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	4,856	6,713
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	166	119
Consumer Real Estate [Member] | Residential closed end junior liens [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	35	138
Consumer Real Estate [Member] | Investor-owned residential real estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	39,550
Consumer Real Estate [Member] | Investor-owned residential real estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	97
Commercial Real Estate Loans [Member] | Multifamily Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	64,940	36,421
Commercial Real Estate Loans [Member] | Multifamily Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	305
Commercial Real Estate Loans [Member] | Multifamily Residential Real Estate [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	752	324
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	126,418	160,188
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	2,501	253
Commercial Real Estate Loans [Member] | Commercial real estate, owner occupied [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	679	1,079
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	89,525	92,628
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	964	3,112
Commercial Real Estate Loans [Member] | Commercial real estate, other [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	3,087
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	30,070	36,372
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	916	99
Commercial Non Real Estate [Member] | Commercial and Industrial [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	231	318
Public Sector and IDA [Member] | States & Political Subdivisions [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	28,332	26,170
Consumer Non Real Estate [Member] | Credit Card Receivable [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	7,054	6,690
Consumer Non Real Estate [Member] | Automobile [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	11,964	12,344
Consumer Non Real Estate [Member] | Automobile [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	217	101
Consumer Non Real Estate [Member] | Automobile [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	5	56
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	9,215	11,815
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	53	45
Consumer Non Real Estate [Member] | Other Consumer Loans [Member] | Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans		105
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	561,210	564,331
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	6,789	4,639
Classified Excluding Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Collectively Evaluated Loans	$ 6,507	$ 4,735