Quarterly report pursuant to sections 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.6
Subsequent Events - Additional Information (Detail) (USD $)
 1 Months Ended
Dec. 31, 2012
Subsequent Event [Line Items]  
Warrants issued 357,142
Warrants exercise price 0.70
Warrant term 5 years
Subsequent Event
  
Subsequent Event [Line Items]  
Issuance of common stock for cash 785,714
Warrants issued 196,429
Purchase price of common stock $ 550,000
Warrants exercise price 0.70
Number of equity agreements 2
Warrant term 5 years
Subsequent Event | Equity Agreement One
  
Subsequent Event [Line Items]  
Equity Financing Binding Term Sheets, closing date Jan. 28, 2013
Subsequent Event | Equity Agreement Two
  
Subsequent Event [Line Items]  
Equity Financing Binding Term Sheets, closing date Feb. 04, 2013