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Equity (Schedule of Valuation Assumptions) (Details)
3 Months Ended
Dec. 31, 2015
$ / shares
Black-Scholes weighted average assumptions:  
Expected dividend rate 0.00%
Expected stock price volatility rate 61.60%
Risk-free interest rate 1.80%
Expected term (in years) 6 years
Weighted average grant date fair value per share of stock option granted (in usd per share) $ 4.18