Annual report pursuant to Section 13 and 15(d)

Warrant Derivative Liability - Assumptions to Estimate Fair Value of the Warrants (Detail)

v2.4.0.8
Warrant Derivative Liability - Assumptions to Estimate Fair Value of the Warrants (Detail) (USD $)
12 Months Ended
Jun. 30, 2014
Stock price (based on prices on valuation date) $ 0.30
Exercise price $ 0.26
Expected volatility 100.00%
Maximum [Member]
 
Risk-free interest rate 1.00%
Expected life (average) 3 years 2 months 1 day
Minimum [Member]
 
Risk-free interest rate 0.86%
Expected life (average) 2 years 11 months 16 days