Note 2 - Community National Bancorporation and Community National Bank (Details) - Fair Value of Assets Acquired and Liabilities Assumed (Parentheticals)	May. 13, 2013 shares
Community National Bancorporation and Community National Bank [Member]
Business Acquisition [Line Items]
Issuance of common stock, shares	834,715

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration