Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 50,000,000 25,000,000
Common stock, shares issued 14,706,260 14,656,916
Common stock, shares outstanding 14,706,260 14,656,916