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8. Loan Servicing (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Notes to Financial Statements      
Balance at beginning of year $ 1,009,623 $ 1,097,442 $ 1,097,442
Mortgage servicing rights capitalized 153,106 204,042 406,807
Mortgage servicing rights amortized (186,145) (202,455) (409,584)
Change in valuation allowance 160,008 (46,836) (85,042)
Balance at end of period $ 1,136,592 $ 1,052,193 $ 1,009,623