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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2014
Sep. 30, 2014
Statement of Financial Position [Abstract]    
Common stock, authorized shares 300,000,000us-gaap_CommonStockSharesAuthorized 300,000,000us-gaap_CommonStockSharesAuthorized
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, issued shares 149,727,935us-gaap_CommonStockSharesIssued 96,715,797us-gaap_CommonStockSharesIssued
Common stock, outstanding shares 149,727,935us-gaap_CommonStockSharesOutstanding 96,715,797us-gaap_CommonStockSharesOutstanding