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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0 $ 0
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0 $ 0
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares outstanding 8,707,534 8,706,251