Warrants - Additional Information (Detail) (USD $)
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12 Months Ended | 83 Months Ended | 91 Months Ended |
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Sep. 30, 2013
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Jan. 31, 2013
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Sep. 30, 2013
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Debt Conversion [Line Items] | |||
Debt conversion, converted instrument, warrants or options issued | 42 | ||
Preferred stock, par value | $ 0.01 | $ 0.01 | |
Percentage of principle balance of notes on conversion price of notes | 20.00% | ||
Proceeds from issuance or sale of equity | $ 1,000,000 | ||
Minimum
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Debt Conversion [Line Items] | |||
Percentage of principle balance of notes on conversion price of notes | 6.00% | 10.00% | 10.00% |
Maximum
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Debt Conversion [Line Items] | |||
Percentage of principle balance of notes on conversion price of notes | 10.00% | 50.00% | 50.00% |