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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2014
Sep. 30, 2014
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 30,842,119us-gaap_CommonStockSharesIssued 30,838,460us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 24,829,540us-gaap_CommonStockSharesOutstanding 24,825,881us-gaap_CommonStockSharesOutstanding
Preferred stock, par value $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 10,000,000us-gaap_PreferredStockSharesAuthorized 10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Treasury stock, at cost 6,012,579us-gaap_TreasuryStockShares 6,012,579us-gaap_TreasuryStockShares