Subsequent Events - Additional Information (Detail) (USD $)
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9 Months Ended | 0 Months Ended | |||
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Jun. 30, 2013
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Sep. 30, 2012
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Jun. 30, 2013
Coldstream Financing
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Jul. 01, 2013
Subsequent Event
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Jul. 01, 2013
Subsequent Event
Coldstream Financing
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Business Acquisition, Equity Interests Issued or Issuable [Line Items] | |||||
Common stock, shares issued | 58,645,212 | 5,645,212 | 2,500,000 | 500,000 | |
Warrants issued to purchase of common stock | 2,500,000 | 500,000 | |||
Proceeds from investors in contemplation of merger | $ 1,250,000 | $ 250,000 |