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Note 2 - Community National Bancorporation and Community National Bank (Details) - Core Deposit - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014
Note 2 - Community National Bancorporation and Community National Bank (Details) - Core Deposit [Line Items] |  |  |  |  |
Balance, beginning | $ 1,670,921 | $ 1,870,433 |  |  |
Balance, ending | 1,471,409 | 1,670,921 | $ 1,870,433 |  |
Net carrying amount | 1,471,409 | 1,670,921 | 1,870,433 | $ 1,471,409 | $ 1,670,921
Amortization expense | 199,512 | 199,512 | 178,881 |  |
Core Deposits [Member] |  |  |  |  |
Note 2 - Community National Bancorporation and Community National Bank (Details) - Core Deposit [Line Items] |  |  |  |  |
Balance, beginning | 1,670,921 | 1,870,433 |  |  |
Balance, ending | 1,471,409 | 1,670,921 | 1,870,433 |  |
Gross carrying amount |  |  |  | 1,995,127 | 1,995,127
Accumulated amortization |  |  |  | (523,718) | (324,206)
Net carrying amount | 1,670,921 | 1,670,921 | $ 1,870,433 | $ 1,471,409 | $ 1,670,921
Amortization expense | $ (199,512) | $ (199,512) |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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