Assumptions Used For Derivative Liability (Detail) (USD $)
|
0 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|---|---|---|---|---|---|
Feb. 04, 2014
|
Mar. 31, 2014
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Feb. 04, 2014
Maximum
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Mar. 31, 2014
Maximum
|
Mar. 31, 2014
Maximum
|
Feb. 04, 2014
Minimum
|
Mar. 31, 2014
Minimum
|
Mar. 31, 2014
Minimum
|
|
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] | ||||||||||
Closing price per share of common stock | $ 0.30 | $ 0.001 | $ 0.001 | $ 0.001 | ||||||
Exercise price per share | $ 0.40 | $ 0.40 | $ 0.40 | $ 0.30 | $ 0.30 | $ 0.30 | ||||
Expected volatility | 125.00% | 125.00% | 100.00% | 100.00% | ||||||
Risk-free interest rate | 1.46% | 1.67% | 0.12% | 0.11% | ||||||
Dividend yield | 0.00% | 0.00% | ||||||||
Remaining expected term of underlying securities (years) | 5 years | 4 years 10 months 6 days | 1 year | 10 months 6 days |