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Note 17 - Related Party Transactions (Detail) - Loans to Executive Officers and Directors (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Balance, beginning of year $ 5,794,896 $ 5,982,120 $ 6,829,498
Balance, end of year 6,095,008 5,794,896 5,982,120
New Loans 464,400 650,095  
Repayments $ (164,288) $ (837,319) $ (847,378)