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 $)
6 Months Ended
Dec. 31, 2012
Expected volatility 100.00%
Exercise price $ 0.41
Subsequent financing probability 100.00%
Maximum [Member]
 
Risk free interest rate 0.74%
Stock price (based on prices on valuation dates) $ 1.73
Expected term 4 years 9 months 29 days
Minimum [Member]
 
Risk free interest rate 0.63%
Stock price (based on prices on valuation dates) $ 1.00
Expected term 4 years 5 months 12 days