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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Loans by Credit Quality Indicator (Details) - USD ($) | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Construction, 1-4 Family Residential [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | $ 11,709,000 | $ 10,626,000
Construction, 1-4 Family Residential [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 3,694,000 | 3,694,000
Construction, 1-4 Family Residential [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 0 | 0
Construction Other [Member] | Pass [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 23,108,000 | 33,213,000
Construction Other [Member] | Special Mention [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 0 | 0
Construction Other [Member] | Classified Excluding Impaired [Member] | Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 0 | 0
Equity Lines [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 16,468,000 | 16,236,000
Equity Lines [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 33,000 | 15,000
Equity Lines [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 95,000 | 87,000
Closed End First Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 76,645,000 | 78,614,000
Closed End First Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 728,000 | 708,000
Closed End First Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 1,729,000 | 1,370,000
Closed End Junior Liens [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 5,041,000 | 4,983,000
Closed End Junior Liens [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 23,000 | 55,000
Closed End Junior Liens [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 130,000 | 61,000
Investor Owned Residential Real Estate [Member] | Pass [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 41,635,000 | 39,616,000
Investor Owned Residential Real Estate [Member] | Special Mention [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 30,000 | 31,000
Investor Owned Residential Real Estate [Member] | Classified Excluding Impaired [Member] | Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 758,000 | 766,000
Multifamily Real Estate [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 81,296,000 | 77,060,000
Multifamily Real Estate [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 0 | 0
Multifamily Real Estate [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 1,791,000 | 1,804,000
Commercial Real Estate, Owner Occupied [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 119,319,000 | 121,741,000
Commercial Real Estate, Owner Occupied [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 1,163,000 | 1,165,000
Commercial Real Estate, Owner Occupied [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 1,227,000 | 1,274,000
Commercial Real Estate Other [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 94,247,000 | 93,701,000
Commercial Real Estate Other [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 57,000 | 58,000
Commercial Real Estate Other [Member] | Classified Excluding Impaired [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 0 | 0
Commercial and Industrial [Member] | Pass [Member] | Commercial Non Real Estate Segment [Member] |  |
Collectively evaluated for impairment | 32,400,000 | 35,652,000
Commercial and Industrial [Member] | Special Mention [Member] | Commercial Non Real Estate Segment [Member] |  |
Collectively evaluated for impairment | 234,000 | 285,000
Commercial and Industrial [Member] | Classified Excluding Impaired [Member] | Commercial Non Real Estate Segment [Member] |  |
Collectively evaluated for impairment | 231,000 | 543,000
Credit Card Receivable [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 5,808,000 | 5,773,000
Credit Card Receivable [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 0 | 0
Credit Card Receivable [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 0 | 0
Automobile Loan [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 12,509,000 | 12,414,000
Automobile Loan [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 75,000 | 102,000
Automobile Loan [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 188,000 | 138,000
Other Consumer Loans [Member] | Pass [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 11,241,000 | 11,359,000
Other Consumer Loans [Member] | Special Mention [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 82,000 | 31,000
Other Consumer Loans [Member] | Classified Excluding Impaired [Member] | Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 30,000 | 28,000
Pass [Member] | States Political Subdivisions [Member] |  |
Collectively evaluated for impairment | 50,777,000 | 51,335,000
Pass [Member] |  |
Collectively evaluated for impairment | 582,203,000 | 592,323,000
Special Mention [Member] | States Political Subdivisions [Member] |  |
Collectively evaluated for impairment | 0 | 0
Special Mention [Member] |  |
Collectively evaluated for impairment | 6,119,000 | 6,144,000
Classified Excluding Impaired [Member] | States Political Subdivisions [Member] |  |
Collectively evaluated for impairment | 0 | 0
Classified Excluding Impaired [Member] |  |
Collectively evaluated for impairment | 6,179,000 | 6,071,000
Real Estate Construction Portfolio Segment[Member] |  |
Collectively evaluated for impairment | 38,511,000 | 47,533,000
Consumer Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 143,315,000 | 142,542,000
Commercial Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 299,100,000 | 296,803,000
Commercial Non Real Estate Segment [Member] |  |
Collectively evaluated for impairment | 32,865,000 | 36,480,000
Consumer Non Real Estate Portfolio Segment [Member] |  |
Collectively evaluated for impairment | 29,933,000 | 29,845,000
Collectively evaluated for impairment | $ 594,501,000 | $ 604,538,000

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