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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Sep. 30, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, authorized 7,000,000 7,000,000
Common stock, outstanding 3,275,201 3,295,228