Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Assumptions Used to Measure Fair Value of Stock Options (Detail)

v2.4.0.8
Stockholders' Equity - Assumptions Used to Measure Fair Value of Stock Options (Detail)
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected volatility 100.00% 100.00%
Risk free interest rate, minimum 1.70% 0.80%
Risk free interest rate, maximum 1.80% 3.00%
Forfeiture rate 17.00% 5.00%
Dividend yield 0.00% 0.00%
Expected term 5 years  
Minimum [Member]
   
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected term   5 years
Maximum [Member]
   
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]    
Expected term   10 years