Note 2 - Community National Bancorporation and Community National Bank (Details) - Fair Value of Assets Acquired and Liabilities Assumed - USD ($)		12 Months Ended
	May. 13, 2013	Dec. 31, 2015	[1]	Dec. 31, 2014	[1]	Dec. 31, 2013
CONSIDERATION PAID:
Bargain purchase gain						$ 1,841,385
Community National Bancorporation and Community National Bank [Member]
ASSETS
Cash and due from banks	$ 9,286,757					9,286,757	[1]
Federal funds sold	12,335,000					12,335,000
Interest-bearing deposits at financial institutions	2,024,539					2,024,539
Securities available for sale	45,853,826					45,853,826
Loans/leases receivable, net	195,658,486					195,658,486
Premises and equipment	8,132,021					8,132,021
Core deposit intangible	3,440,076					3,440,076
Bank-owned life insurance	4,595,529					4,595,529
Restricted investment securities	1,259,375					1,259,375
Other real estate owned	550,326					550,326
Other assets	5,178,583					5,178,583
Total assets acquired	288,314,518					288,314,518
LIABILITIES
Deposits	255,045,071					255,045,071
Other borrowings	3,950,000					3,950,000
Junior subordinated debentures	4,125,175					4,125,175
Other liabilities	3,950,000					3,911,053
Total liabilities assumed	267,031,299					267,031,299
Net assets acquired	21,283,219					21,283,219
CONSIDERATION PAID:
Cash	6,261,684					6,261,684	[1]
Issuance of 834,715 shares of common stock	13,180,150					13,180,150
Total consideration paid	19,441,834					19,441,834
Bargain purchase gain	$ 1,841,385					$ 1,841,385

[1] Net cash received at closing totaled $3,025,073