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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2013
Sep. 30, 2013
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 24,561,254 24,336,495
Common stock, shares outstanding 23,770,354 23,545,595
Treasury stock, at cost 790,900 790,900