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Stock-Based Compensation (Weighted Average Assumptions Used to Estimate Fair Value of Stock Option Grants) (Details) (USD $)
3 Months Ended
Dec. 31, 2013
Fiscal 2013 Incentive Stock Options [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (years) 6 years 6 months
Expected volatility 110.50%
Risk-free interest rate 1.13%
Expected dividends $ 0
Fiscal 2013 Non-Statutory Stock Options [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility, minimum 106.00%
Expected volatility, maximum 112.30%
Risk free interest rate, minimum 1.28%
Risk free interest rate, maximum 1.84%
Expected dividends 0
Fiscal 2013 Non-Statutory Stock Options [Member] | Minimum [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (years) 6 years 4 months 24 days
Fiscal 2013 Non-Statutory Stock Options [Member] | Maximum [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (years) 7 years 1 month 6 days
November 2013 Incentive Stock Options [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (years) 6 years 6 months
Expected volatility 112.11%
Risk-free interest rate 1.94%
Expected dividends $ 0