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Convertible Notes Payable - Additional Information (Detail) (USD $)
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2 Months Ended | 9 Months Ended | 31 Months Ended | 88 Months Ended | ||
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Jan. 31, 2013
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2008
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Jun. 30, 2013
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Jun. 26, 2013
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| Short-term Debt [Line Items] | ||||||
| Proceeds from convertible debt | $ 250,000 | $ 250,000 | $ 135,000 | $ 105,000 | $ 1,985,000 | |
| Convertible preferred stock, value, upon closing of preferred equity financing | 1,000,000 | 1,000,000 | ||||
| Percentage of principle balance of notes on conversion price of notes | 20.00% | |||||
| Convertible notes, total aggregate principal balance | $ 1,880,000 | |||||
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Convertible Notes Payable
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| Short-term Debt [Line Items] | ||||||
| Debt instrument, interest rate, stated percentage | 8.00% | |||||