INCOME TAXES (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Components of income tax expense
Current tax expense (benefit)									$ (86,388)	$ 675,212	$ (227,637)
Deferred tax expense (benefit)									(814,682)	(1,757,769)	(675,112)
Total income tax expense (benefit)	(241,000)	(50,000)	(461,000)	(149,000)	(348,000)	(178,000)	(427,000)	(130,000)	(901,070)	(1,082,557)	(902,749)
Reconciliation of income tax expense with the amounts computed by applying the statutory federal income tax rate
Effective income tax rate on continuing operations (as a percent)									34.00%	34.00%	34.00%
Income tax expense at statutory rate									(44,963)	(276,737)	(93,008)
Tax-exempt interest income-net of disallowed interest expense									(593,130)	(593,502)	(600,841)
Nondeductible expenses											14,165
Cash surrender value of life insurance income									(205,634)	(125,420)	(130,151)
Other-net									(57,343)	(86,898)	(92,914)
Total income tax expense (benefit)	(241,000)	(50,000)	(461,000)	(149,000)	(348,000)	(178,000)	(427,000)	(130,000)	(901,070)	(1,082,557)	(902,749)
Valuation allowance
Decrease in valuation allowance									2,349
Deferred tax assets:
Net operating losses and credits	1,114,223				1,199,939				1,114,223	1,199,939
Loans, principally due to difference in allowance for loan losses and deferred loan fees	1,207,696				1,377,136				1,207,696	1,377,136
Nonaccrual loan interest	1,096,904				1,009,721				1,096,904	1,009,721
Postretirement benefit accrual, deferred compensation	1,073,002				1,032,690				1,073,002	1,032,690
Other real estate owned	808,479				734,217				808,479	734,217
Other	1,213,850				468,851				1,213,850	468,851
Gross deferred tax asset	6,514,154				5,822,554				6,514,154	5,822,554
Valuation allowance	(128,474)				(130,823)				(128,474)	(130,823)
Total deferred tax assets	6,385,680				5,691,731				6,385,680	5,691,731
Deferred tax liabilities:
Net unrealized gain on securities available for sale	1,399,858				1,351,989				1,399,858	1,351,989
Purchased loan discount	68,417				102,625				68,417	102,625
Premises and equipment	364,990				310,796				364,990	310,796
Other	73,050				213,764				73,050	213,764
Total deferred tax liabilities	1,906,315				1,979,174				1,906,315	1,979,174
Net deferred tax assets	$ 4,479,365				$ 3,712,557				$ 4,479,365	$ 3,712,557