Fair Value Measurements (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	$ 166,464,449	$ 150,960,955
Non-accrual loans	3,748,768	4,045,937
Other real estate	7,000	138,000
Mortgage service right	45,000	52,000
U.S. Government corporations and agencies [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	42,347,000	36,216,000
Obligations of States and Political Subdivisions [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	49,261,000	45,304,000
Mortgage-backed securities/ U.S. sponsored entities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	74,643,000	69,215,000
Equity Securities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	213,000	226,000
Level I [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	213,000	226,000
Non-accrual loans
Other real estate
Mortgage service right
Level I [Member] | U.S. Government corporations and agencies [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level I [Member] | Obligations of States and Political Subdivisions [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level I [Member] | Mortgage-backed securities/ U.S. sponsored entities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level I [Member] | Equity Securities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	213,000	226,000
Level II [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	166,251,000	150,735
Non-accrual loans
Other real estate
Mortgage service right
Level II [Member] | U.S. Government corporations and agencies [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	42,347,000	36,216,000
Level II [Member] | Obligations of States and Political Subdivisions [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	49,261,000	45,304,000
Level II [Member] | Mortgage-backed securities/ U.S. sponsored entities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale	74,643,000	69,215,000
Level II [Member] | Equity Securities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level III [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Non-accrual loans	2,745,000	3,055,000
Other real estate	7,000	138,000
Mortgage service right	45,000	52,000
Level III [Member] | U.S. Government corporations and agencies [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level III [Member] | Obligations of States and Political Subdivisions [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level III [Member] | Mortgage-backed securities/ U.S. sponsored entities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale
Level III [Member] | Equity Securities [Member]
Assets measured on a recurring and nonrecurring basis:
Assets measured on a recurring basis, Securities available for sale