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Securities (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Amortized cost and estimated fair value of securities classified as available for sale and held to maturity    
Securities Available for Sale, Amortized Cost $ 27,149,116 $ 31,275,621
Securities Available for Sale, Gross Unrealized Gains 804,180 882,967
Securities Available for Sale, Gross Unrealized Losses (14,431) (8,480)
Securities Available for Sale, Total, Fair Value 27,938,865 32,150,108
Securities of U.S. Government agencies and corporations
   
Amortized cost and estimated fair value of securities classified as available for sale and held to maturity    
Securities Available for Sale, Amortized Cost 9,134,849 13,233,968
Securities Available for Sale, Gross Unrealized Gains 94,195 117,177
Securities Available for Sale, Gross Unrealized Losses (833)  
Securities Available for Sale, Total, Fair Value 9,228,211 13,351,145
Mortgage-backed and related securities
   
Amortized cost and estimated fair value of securities classified as available for sale and held to maturity    
Securities Available for Sale, Amortized Cost 11,772,896 [1] 12,605,316 [1]
Securities Available for Sale, Gross Unrealized Gains 364,009 [1] 371,395 [1]
Securities Available for Sale, Gross Unrealized Losses (2) [1] (6) [1]
Securities Available for Sale, Total, Fair Value 12,136,903 [1] 12,976,705 [1]
State and municipal securities
   
Amortized cost and estimated fair value of securities classified as available for sale and held to maturity    
Securities Available for Sale, Amortized Cost 6,241,371 5,436,337
Securities Available for Sale, Gross Unrealized Gains 345,976 394,395
Securities Available for Sale, Gross Unrealized Losses (13,596) (8,474)
Securities Available for Sale, Total, Fair Value $ 6,573,751 $ 5,822,258
[1] Collateralized by residential mortgages and guaranteed by U.S. Government sponsored entities.