Quarterly report pursuant to Section 13 or 15(d)

Assumptions Used For Derivative Liability (Detail)

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Assumptions Used For Derivative Liability (Detail) (USD $)
1 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Jun. 30, 2014
Sep. 30, 2013
Feb. 04, 2014
Derivative liabilities Assumptions
Jun. 30, 2014
Derivative liabilities Assumptions
Feb. 04, 2014
Maximum
Derivative liabilities Assumptions
Jun. 30, 2014
Maximum
Derivative liabilities Assumptions
Feb. 04, 2014
Minimum
Derivative liabilities Assumptions
Jun. 30, 2014
Minimum
Derivative liabilities Assumptions
Closing price per share of common stock $ 0.001 $ 0.001 $ 0.30 $ 0.23        
Exercise price per share         $ 0.40 $ 0.40 $ 0.30 $ 0.30
Expected volatility         125.00% 115.00% 100.00% 100.00%
Risk-free interest rate         1.46% 1.47% 0.12% 0.08%
Dividend yield     0.00% 0.00%        
Remaining expected term of underlying securities (years)         5 years 4 years 7 months 6 days 1 year 7 months 6 days