Convertible Notes Payable - Additional Information (Detail) (USD $)
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9 Months Ended | 100 Months Ended | 9 Months Ended | 9 Months Ended | 91 Months Ended | |||||||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Apr. 20, 2013
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Oct. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2014
Minimum
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Sep. 30, 2013
Minimum
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Jun. 30, 2014
Maximum
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Sep. 30, 2013
Maximum
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Sep. 30, 2013
Convertible Notes Payable
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Oct. 31, 2012
Convertible Notes Payable
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Short-term Debt [Line Items] | ||||||||||||
Proceeds from convertible debt | $ 0 | $ 250,000 | $ 1,880,000 | $ 1,735,000 | ||||||||
Debt instrument, interest rate, stated percentage | 6.00% | 10.00% | ||||||||||
Convertible preferred stock, value, upon closing of preferred equity financing | 1,000,000 | 1,000,000 | ||||||||||
Convertible notes, total aggregate principal balance | 1,880,000 | |||||||||||
Matured Convertible Notes | 50,000 | 1,245,000 | ||||||||||
Notes Payable, Related Parties, Current | $ 1,295,000 | |||||||||||
Percentage of principle balance of notes on conversion price of notes | 10.00% | 50.00% |