Convertible Notes Payable - Additional Information (Detail) (USD $)
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0 Months Ended | 3 Months Ended | 12 Months Ended | 25 Months Ended | 31 Months Ended | 83 Months Ended | 91 Months Ended | 94 Months Ended | |||||
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Jul. 05, 2011
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Dec. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Feb. 28, 2011
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Dec. 31, 2008
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Jan. 31, 2013
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Sep. 30, 2013
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Dec. 31, 2013
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Apr. 20, 2013
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Mar. 31, 2013
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Oct. 31, 2012
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Short-term Debt [Line Items] | |||||||||||||
Proceeds from convertible debt | $ 250,000 | $ 1,000,000 | $ 125,000 | $ 250,000 | $ 235,000 | $ 275,200 | $ 105,000 | $ 1,735,000 | $ 1,880,000 | $ 2,880,000 | |||
Debt instrument, interest rate, stated percentage | 6.00% | ||||||||||||
Convertible preferred stock, value, upon closing of preferred equity financing | 750,000 | 1,000,000 | 1,000,000 | 1,000,000 | 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 | ||||||||||||
Matured Convertible Notes | 1,245,000 | 50,000 | 50,000 | ||||||||||
Current maturities of convertible notes payable, related parties | $ 0 | $ 105,000 | $ 105,000 | $ 0 | $ 1,345,000 | $ 1,295,000 | |||||||
Minimum [Member]
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Short-term Debt [Line Items] | |||||||||||||
Debt instrument, interest rate, stated percentage | 6.00% | 6.00% | 6.00% | ||||||||||
Percentage of principle balance of notes on conversion price of notes | 10.00% | 6.00% | 10.00% | 10.00% | |||||||||
Maximum [Member]
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Short-term Debt [Line Items] | |||||||||||||
Debt instrument, interest rate, stated percentage | 10.00% | 10.00% | 10.00% | ||||||||||
Percentage of principle balance of notes on conversion price of notes | 50.00% | 10.00% | 50.00% | 50.00% |