Quarterly report pursuant to Section 13 or 15(d)

Assumptions to estimate Fair value of the warrants (Detail)

v2.4.0.6
Assumptions to estimate Fair value of the warrants (Detail) (USD $)
3 Months Ended
Sep. 30, 2012
Expected volatility 100.00%
Risk free interest rate 0.60%
Exercise price $ 0.41
Expected term 5 years
Subsequent financing probability 50.00%
Maximum [Member]
 
Stock price (based on prices on valuation dates) $ 2.25
Minimum [Member]
 
Stock price (based on prices on valuation dates) $ 1.55