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21. Fair Value (Details 1) (Fair Value Level 2, USD $)
Dec. 31, 2012
Dec. 31, 2011
Fair Value Level 2
   
Assets: (market approach)    
Mortgage servicing rights $ 1,009,623 $ 1,167,808
Impaired loans, net of related allowance 737,274 3,463,540
OREO $ 1,074,705 $ 90,000