Quarterly report pursuant to Section 13 or 15(d)

Assumptions Used to Measure Fair Value of Stock Options (Detail)

v2.4.0.8
Assumptions Used to Measure Fair Value of Stock Options (Detail)
6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected volatility 218.00% 100.00%
Risk free interest rate, minimum 1.40% 0.80%
Risk free interest rate, maximum 1.70% 3.00%
Forfeiture rate 13.00% 5.00%
Dividend yield 0.00% 0.00%
Minimum [Member]
   
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected term 3 years 5 years
Maximum [Member]
   
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected term 5 years 10 years