Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Statement of Financial Position [Abstract]
Cash and due from banks	$ 8,669,614	$ 11,273,575	$ 8,980,517
Federal funds sold and overnight deposits	32,556	18,608,265	4,000
Total cash and cash equivalents	8,702,170	29,881,840	8,984,517
Securities held-to-maturity (fair value $42,733,000 at 03/31/13 $42,291,000 at 12/31/12 and $34,168,000 at 03/31/12)	42,380,968	41,865,555	33,562,606
Securities available-for-sale	46,010,313	40,886,059	73,035,938
Restricted equity securities, at cost	3,632,850	4,021,350	4,021,350
Loans held-for-sale	1,347,961	1,501,706	1,583,520
Loans	417,469,135	416,375,448	396,245,846
Allowance for loan losses	(4,493,384)	(4,312,080)	(3,952,489)
Deferred net loan costs	206,969	169,501	54,355
Net loans	413,182,720	412,232,869	392,347,712
Bank premises and equipment, net	12,172,480	12,243,320	12,588,636
Accrued interest receivable	1,970,615	1,751,085	1,845,523
Bank owned life insurance	4,215,534	4,187,644	4,094,066
Core deposit intangible	1,295,301	1,363,476	1,619,128
Goodwill	11,574,269	11,574,269	11,574,269
Other real estate owned (OREO)	879,705	1,074,705	220,493
Prepaid expense - Federal Deposit Insurance Corporation (FDIC)	681,490	775,595	1,030,123
Other assets	12,334,005	12,378,772	12,298,745
Total assets	560,380,381	575,738,245	558,806,626
Demand, non-interest bearing	64,660,692	72,956,097	61,866,873
NOW	114,257,777	128,824,165	106,166,136
Money market funds	94,380,704	86,973,835	76,540,776
Savings	68,232,421	65,216,698	64,512,091
Time deposits, $100,000 and over	45,220,821	44,229,470	61,244,386
Other time deposits	77,509,684	77,296,594	83,662,887
Total deposits	464,262,099	475,496,859	453,993,149
Federal funds purchased and other borrowed funds	7,845,000	6,000,000	20,770,000
Repurchase agreements	28,623,952	34,149,608	24,769,637
Capital lease obligations	759,260	774,701	818,288
Junior subordinated debentures	12,887,000	12,887,000	12,887,000
Accrued interest and other liabilities	2,151,091	3,077,502	4,136,323
Total liabilities	516,528,402	532,385,670	517,374,397
Preferred stock, 1,000,000 shares authorized, 25 shares issued and outstanding ($100,000 liquidation value)	2,500,000	2,500,000	2,500,000
Common stock - $2.50 par value; 10,000,000 shares authorized, 5,037,828 shares issued at 03/31/13, 5,023,026 shares issued at 12/31/12, and 4,961,706 shares issued at 03/31/12	12,594,570	12,557,565	12,404,265
Additional paid-in capital	28,177,907	28,047,829	27,573,676
Retained earnings	3,046,163	2,698,200	1,407,844
Accumulated other comprehensive income	156,116	171,758	169,221
Less: treasury stock, at cost; 210,101 shares at 03/31/13, 12/31/12 and 03/31/12	(2,622,777)	(2,622,777)	(2,622,777)
Total shareholders' equity	43,851,979	43,352,575	41,432,229
Total liabilities and shareholders' equity	$ 560,380,381	$ 575,738,245	$ 558,806,626