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Note 11 - Junior Subordinated Debentures (Details) - Junior Subordinated Debentures - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | $ 38,499,052 | $ 40,423,735
Market Value Discount per ASC 805 (see Note 2) | (2,225,948) | (2,363,265)
Note Payable to Trust II [Member] |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | 10,310,000 | 12,372,000
Note Payable to Trust III [Member] |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | 8,248,000 | 8,248,000
Note Payable to Trust IV [Member] |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | 5,155,000 | 5,155,000
Note Payable to Trust V [Member] |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | 10,310,000 | 10,310,000
Community National Trust II Member |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | 3,093,000 | 3,093,000
Community National Trust III [Member] |  |
Subordinated Borrowing [Line Items] |  |
Junior subordinated debentures | $ 3,609,000 | $ 3,609,000

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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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