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Note 19 - Fair Value of Financial Instruments and Fair Value Measurements (Details) - Quantitative Information for Financial Instruments Measured at Fair Value - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Nonrecurring [Member] - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Commercial and Agricultural Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | $ 28,390 |
Commercial and Agricultural Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial [Member] |  |
Impaired Loans |  |
Fair Value Inputs, Cap Rate | 11.00% |
Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | $ 7,347,541 | $ 5,678,297
Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Construction [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | 51,300 | 82,422
Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Residential [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | 767,179 | 1,650,474
Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Farmland [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | $ 350,583 | $ 367,086
Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Commercial [Member] |  |
Impaired Loans |  |
Fair Value Inputs, Cap Rate | 10.25% | 11.00%
Real Estate Portfolio Segment [Member] | Income Approach Valuation Technique [Member] | Residential [Member] |  |
Impaired Loans |  |
Fair Value Inputs, Cap Rate |  | 13.75%
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Assets measured at fair value (in Dollars) | $ 2,535,884 | $ 6,128,365
Other Real Estate Owned [Member] | Income Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Discount Rate | 12.50% | 9.00%
Impaired Loans |  |
Fair Value Inputs, Cap Rate |  | 10.00%
Minimum [Member] | Commercial and Agricultural Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (31.77%) |
Fair Value Inputs, Management Adjustments | 0.00% |
Minimum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (31.77%) | 0.00%
Fair Value Inputs, Management Adjustments | 0.00% | 0.00%
Minimum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Construction [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (5.00%) | (22.00%)
Fair Value Inputs, Management Adjustments | 0.00% | 0.00%
Minimum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Residential [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (22.00%) | (2.30%)
Fair Value Inputs, Management Adjustments | 0.00% | 0.00%
Minimum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Farmland [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (27.00%) | (8.30%)
Fair Value Inputs, Management Adjustments | 10.00% | 10.00%
Minimum [Member] | Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (50.80%) | (40.00%)
Fair Value Inputs, Management Adjustments | 15.53% | 0.33%
Maximum [Member] | Commercial and Agricultural Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 34.00% |
Fair Value Inputs, Management Adjustments | 10.00% |
Maximum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 34.00% | 0.00%
Fair Value Inputs, Management Adjustments | 10.00% | 90.00%
Maximum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Construction [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 99.00% | 38.10%
Fair Value Inputs, Management Adjustments | 10.00% | 10.00%
Maximum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Residential [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 10.80% | 191.70%
Fair Value Inputs, Management Adjustments | 25.00% | 10.00%
Maximum [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Farmland [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 15.00% | 252.50%
Fair Value Inputs, Management Adjustments | 75.00% | 50.00%
Maximum [Member] | Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | 142.90% | 45.00%
Fair Value Inputs, Management Adjustments | 72.75% | 69.36%
Weighted Average [Member] | Commercial and Agricultural Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (1.12%) |
Fair Value Inputs, Management Adjustments | (5.00%) |
Weighted Average [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (1.12%) | 0.00%
Fair Value Inputs, Management Adjustments | (5.00%) | (45.00%)
Weighted Average [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial Construction [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (47.00%) | (8.05%)
Fair Value Inputs, Management Adjustments | (5.00%) | (5.00%)
Weighted Average [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Residential [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (5.60%) | (94.70%)
Fair Value Inputs, Management Adjustments | (12.50%) | (5.00%)
Weighted Average [Member] | Real Estate Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Farmland [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (6.00%) | (122.10%)
Fair Value Inputs, Management Adjustments | (42.50%) | (30.00%)
Weighted Average [Member] | Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Fair Value Inputs, Comparability Adjustments | (46.05%) | (2.50%)
Fair Value Inputs, Management Adjustments | (43.37%) | (31.88%)

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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