Assumptions Used For Derivative Liability (Detail) (USD $)
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0 Months Ended |
1 Months Ended |
6 Months Ended |
12 Months Ended |
1 Months Ended |
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Mar. 15, 2015
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Mar. 31, 2015
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Mar. 31, 2015
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Sep. 30, 2014
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Feb. 04, 2014
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Sep. 30, 2013
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Stated interest rate |
8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
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8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
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8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Closing price per share of common stock |
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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$ 0.001us-gaap_CommonStockParOrStatedValuePerShare
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Exercise price per share |
$ 0.20us-gaap_FairValueAssumptionsExercisePrice
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice
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Remaining expected term of underlying securities (years) |
1 year
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11 months 16 days
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Derivative liabilities Assumptions |
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Stated interest rate |
8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Closing price per share of common stock |
$ 0.21us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.18us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.18us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.18us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.30us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Exercise price per share |
$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Expected volatility |
90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Risk-free interest rate |
0.24%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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0.25%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Credit adjusted discount rate |
20.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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20.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember
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Remaining expected term of underlying securities (years) |
1 year
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11 months 16 days
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Maximum | Derivative liabilities Assumptions |
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Exercise price per share |
$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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$ 0.40us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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$ 0.40us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Expected volatility |
110.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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125.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Risk-free interest rate |
1.41%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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1.19%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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1.55%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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1.46%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Credit adjusted discount rate |
0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Remaining expected term of underlying securities (years) |
4 years 3 months 18 days
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4 years 3 months
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4 years 3 months 29 days
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5 years
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Minimum | Derivative liabilities Assumptions |
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Exercise price per share |
$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Expected volatility |
80.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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80.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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85.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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100.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Risk-free interest rate |
0.03%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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0.04%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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0.02%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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0.012%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Remaining expected term of underlying securities (years) |
2 months 19 days
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2 months 1 day
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3 months 29 days
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1 year
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