CONSOLIDATED STATEMENTS OF INCOME (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest income:
Loans, including fees	$ 9,864,368	$ 10,487,067	$ 12,081,649
Investment securities:
Taxable	2,173,588	1,874,286	1,836,547
Tax-exempt	1,161,907	1,270,082	1,507,882
Dividends	39,582	37,771	38,481
Interest-bearing deposits	122,998	96,753	65,113
Total interest income	13,362,443	13,765,959	15,529,672
Interest expense:
Deposits	833,359	902,663	1,050,460
Other borrowings	30	604	1,070
Total interest expense	833,389	903,267	1,051,530
Net interest income	12,529,054	12,862,692	14,478,142
Provision for loan losses	75,000	425,000	2,400,000
Net interest income after provision for loan losses	12,454,054	12,437,692	12,078,142
Noninterest income:
Service charges on deposits	2,830,989	3,157,140	3,219,457
Gain on sales of securities		243,882	681,327
Bank owned life insurance	304,082	328,634	342,395
ATM surcharges	211,845	237,045	230,584
Grant income	355,000		415,000
Other operating income	738,495	514,418	1,060,098
Total noninterest income	4,440,411	4,481,119	5,948,861
Noninterest expense:
Salaries and employee benefits	6,467,504	6,504,634	6,689,215
Occupancy and equipment	2,080,517	2,127,026	2,174,356
Other real estate owned, net	893,948	1,120,540	3,409,890
Other operating expenses	5,510,175	5,968,644	5,885,789
Total noninterest expense	14,952,144	15,720,844	18,159,250
Income (loss) before income tax expense (benefit)	1,942,321	1,197,967	(132,247)
Income tax benefit	133,663	(150,806)	(901,070)
Net income	1,808,658	1,348,773	768,823
Preferred dividends	236,820	236,820	236,820
Net income available to common stockholders	$ 1,571,838	$ 1,111,953	$ 532,003
Net income (loss) per common share - basic (in dollars per share)	$ 0.73	$ 0.52	$ 0.25
Net income (loss) per common share - diluted (in dollars per share)	$ 0.72	$ 0.51	$ 0.25
Weighted average common outstanding shares - basic (in shares)	2,166,818	2,152,780	2,157,732
Weighted average common outstanding shares - diluted (in shares)	2,186,393	2,165,610	2,165,396