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Note 3 - Loan Portfolio by Credit Quality Indicator (Details) - USD ($) | Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015
--- | --- | --- | ---
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | $ 45,696,000 | $ 44,274,000 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 871,000 | 1,927,000 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 1,367,000 | 1,581,000 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] |  |  |
Loans and Leases Receivable, Gross | 47,934,000 | 47,782,000 | $ 52,506,000
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 23,872,000 | 18,970,000 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 62,000 | 18,000 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 373,000 | 205,000 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] |  |  |
Loans and Leases Receivable, Gross | 24,307,000 | 19,193,000 | 24,019,000
Real Estate Portfolio Segment [Member] | Commercial [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 321,052,000 | 320,566,000 |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 7,434,000 | 13,653,000 |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 16,695,000 | 12,043,000 |
Real Estate Portfolio Segment [Member] | Commercial [Member] |  |  |
Loans and Leases Receivable, Gross | 345,181,000 | 346,262,000 | 341,167,000
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 29,979,000 | 36,516,000 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 1,011,000 | 913,000 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 1,302,000 | 2,678,000 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] |  |  |
Loans and Leases Receivable, Gross | 32,292,000 | 40,107,000 | 46,699,000
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 9,141,000 | 9,413,000 |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 0 | 0 |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 0 | 0 |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] |  |  |
Loans and Leases Receivable, Gross | 9,141,000 | 9,413,000 | 11,327,000
Real Estate Portfolio Segment [Member] | Residential [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 176,773,000 | 177,054,000 |
Real Estate Portfolio Segment [Member] | Residential [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 8,132,000 | 8,546,000 |
Real Estate Portfolio Segment [Member] | Residential [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 11,235,000 | 11,402,000 |
Real Estate Portfolio Segment [Member] | Residential [Member] |  |  |
Loans and Leases Receivable, Gross | 196,140,000 | 197,002,000 | 202,805,000
Real Estate Portfolio Segment [Member] | Farmland [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 68,056,000 | 56,798,000 |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 1,119,000 | 930,000 |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 962,000 | 4,052,000 |
Real Estate Portfolio Segment [Member] | Farmland [Member] |  |  |
Loans and Leases Receivable, Gross | 70,137,000 | 61,780,000 | 54,135,000
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 19,386,000 | 20,038,000 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 124,000 | 156,000 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 426,000 | 411,000 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] |  |  |
Loans and Leases Receivable, Gross | 19,936,000 | 20,605,000 | 21,371,000
Consumer and Other Portfolio Segment [Member] | Other [Member] | Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 19,121,000 | 16,467,000 |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 0 | 0 |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 20,000 | 25,000 |
Consumer and Other Portfolio Segment [Member] | Other [Member] |  |  |
Loans and Leases Receivable, Gross | 19,141,000 | 16,492,000 | 6,049,000
Pass [Member] |  |  |
Loans and Leases Receivable, Gross | 713,076,000 | 700,096,000 |
Special Mention [Member] |  |  |
Loans and Leases Receivable, Gross | 18,753,000 | 26,143,000 |
Substandard [Member] |  |  |
Loans and Leases Receivable, Gross | 32,380,000 | 32,397,000 |
Loans and Leases Receivable, Gross | $ 764,209,000 | $ 758,636,000 | $ 760,078,000

X
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