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Note 5 - Fair Value - Assets Measured At Fair Value on a Recurring and Nonrecurring Basis (Details) - USD ($) | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Securities available for sale, fair value | $ 259,954,422 | $ 251,113,139
Impaired loans or leases | 23,722,953 | 18,788,073
Fair Value, Inputs, Level 1 [Member] |  |
Impaired loans or leases |  |
Fair Value, Inputs, Level 2 [Member] |  |
Impaired loans or leases |  |
Fair Value, Inputs, Level 3 [Member] |  |
Impaired loans or leases | 23,722,953 | 18,788,073
Fair Value, Measurements, Recurring [Member] |  |
Assets Fair Value | 262,947,951 | 254,027,947
Liabilities Fair Value | 2,603,002 | 2,338,281
Fair Value, Measurements, Recurring [Member] | Interest Rate Cap [Member] |  |
Derivative Assets | 390,527 | 576,527
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] |  |
Derivative Assets | 2,603,002 | 2,338,281
Derivative Liabilites | 2,603,002 | 2,338,281
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets Fair Value | 1,017 | 1,361
Liabilities Fair Value |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Cap [Member] |  |
Derivative Assets |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] |  |
Derivative Assets |  |
Derivative Liabilites |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets Fair Value | 262,946,934 | 254,026,586
Liabilities Fair Value | 2,603,002 | 2,338,281
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Cap [Member] |  |
Derivative Assets | 390,527 | 576,527
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Derivative Assets | 2,603,002 | 2,338,281
Derivative Liabilites | 2,603,002 | 2,338,281
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets Fair Value |  |
Liabilities Fair Value |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Cap [Member] |  |
Derivative Assets |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] |  |
Derivative Assets |  |
Derivative Liabilites |  |
US Government Agencies Debt Securities [Member] |  |
Securities available for sale, fair value | 39,340,168 | 46,083,607
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale, fair value | 39,340,168 | 46,083,607
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale, fair value |  |
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale, fair value | 39,340,168 | 46,083,607
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale, fair value |  |
Residential Mortgage Backed Securities [Member] |  |
Securities available for sale, fair value | 158,968,509 | 147,702,127
Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale, fair value | 158,968,509 | 147,702,127
Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale, fair value |  |
Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale, fair value | 158,968,509 | 147,702,127
Residential Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale, fair value |  |
US States and Political Subdivisions Debt Securities [Member] |  |
Securities available for sale, fair value | 56,763,060 | 52,604,426
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale, fair value | 56,763,060 | 52,604,426
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale, fair value |  |
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale, fair value | 56,763,060 | 52,604,426
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale, fair value |  |
Other Securities [Member] |  |
Securities available for sale, fair value | 4,882,685 | 4,722,979
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale, fair value | 4,882,685 | 4,722,979
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Securities available for sale, fair value | 1,017 | 1,361
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Securities available for sale, fair value | 4,881,668 | 4,721,618
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Securities available for sale, fair value |  |
Impaired Loans Leases [Member] |  |
Impaired loans or leases | 18,177,320 | 12,823,121
Impaired Loans Leases [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Impaired loans or leases |  |
Impaired Loans Leases [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Impaired loans or leases |  |
Impaired Loans Leases [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Impaired loans or leases | 18,177,320 | 12,823,121
Other Real Estate Owned [Member] |  |
Impaired loans or leases | 5,545,633 | 5,964,952
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Impaired loans or leases |  |
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Impaired loans or leases |  |
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Impaired loans or leases | $ 5,545,633 | $ 5,964,952

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226008-175313 + Details
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