Fair Value Measurements (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	$ 175,853,312	$ 178,207,974
U.S. Government corporations and agencies [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	45,680,000	47,295,000
Obligations of states and political subdivisions [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	53,684,000	52,030,000
Mortgage-Backed Securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	76,274,000	78,678,000
Equity securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	215,000	205,000
Recurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	175,853,000	178,208,000
Recurring [Member] | U.S. Government corporations and agencies [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	45,680,000	47,295,000
Recurring [Member] | Obligations of states and political subdivisions [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	53,684,000	52,030,000
Recurring [Member] | Mortgage-Backed Securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	76,274,000	78,678,000
Recurring [Member] | Equity securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	215,000	205,000
Nonrecurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Impaired loans	3,297,000	2,730,000
Other real estate
Mortgage servicing rights	44,000	47,000
Level I [Member] | Recurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	215,000	205,000
Level I [Member] | Recurring [Member] | Equity securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	215,000	205,000
Level I [Member] | Nonrecurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Other real estate
Level II [Member] | Recurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	175,638,000	178,003,000
Level II [Member] | Recurring [Member] | U.S. Government corporations and agencies [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	45,680,000	47,295,000
Level II [Member] | Recurring [Member] | Obligations of states and political subdivisions [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	53,684,000	52,030,000
Level II [Member] | Recurring [Member] | Mortgage-Backed Securities [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Assets measured on a recurring basis, Securities available for sale	76,274,000	78,678,000
Level II [Member] | Nonrecurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Other real estate
Level III [Member] | Nonrecurring [Member]
Schedule of assets carried at fair value on recurring and nonrecurring basis
Impaired loans	3,297,000	2,730,000
Other real estate
Mortgage servicing rights	$ 44,000	$ 47,000