Assumptions Used For Derivative Liability (Detail) (USD $)
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0 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | |
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Dec. 01, 2014
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Dec. 31, 2014
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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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Closing price per share of common stock | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare | $ 0.001us-gaap_CommonStockParOrStatedValuePerShare | ||
Derivative liabilities Assumptions | |||||
Closing price per share of common stock |
$ 0.25us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
$ 0.20us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
$ 0.18us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
$ 0.30us-gaap_CommonStockParOrStatedValuePerShare / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
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Dividend yield |
0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
0.00%us-gaap_FairValueAssumptionsExpectedDividendRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember |
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Maximum | Derivative liabilities Assumptions | |||||
Exercise price per share |
$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
$ 0.40us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
$ 0.40us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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Expected volatility |
90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
85.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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 |
1.39%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
1.51%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
1.55%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
1.46%us-gaap_FairValueAssumptionsRiskFreeInterestRate / 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 1 month 28 days | 4 years 29 days | 4 years 3 months 29 days | 5 years | |
Minimum | Derivative liabilities Assumptions | |||||
Exercise price per share |
$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
$ 0.20us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
$ 0.30us-gaap_FairValueAssumptionsExercisePrice / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
$ 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 |
80.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
85.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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 |
0.01%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
0.03%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
0.02%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_FairValueByLiabilityClassAxis = us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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) | 29 days | 0 years | 3 months 29 days | 1 year |
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Agreed upon price for the exchange of the underlying asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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