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Note 5 - Bank Owned Life Insurance (Detail) (USD $)
Dec. 31, 2012
Feb. 28, 2012
Dec. 31, 2011
Oct. 31, 2009
Life Insurance, Corporate or Bank Owned, Amount   $ 2,500,000   $ 10,000,000
Cash Surrender Value of Life Insurance $ 13,657,480   $ 10,770,887