Note 2 - Acquisition of Community National Bancorporation and Community National Bank (Details) - Fair Value of Assets Acquired and Liabilities Assumed (USD $)	0 Months Ended	9 Months Ended
	May 13, 2013	Sep. 30, 2013		Sep. 30, 2012
ASSETS
Cash and due from banks	$ 9,286,757	$ 9,286,757	[1]		[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	3,911,053	3,911,053
Total liabilties 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]		[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