Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Equity - Fair Value of Each Stock Option Award Granted (Detail)

v3.5.0.2
Equity - Fair Value of Each Stock Option Award Granted (Detail)
6 Months Ended
Jun. 30, 2016
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate (%) 1.10%
Expected volatility (%) 55.00%
Dividend yield (%) 0.00%
Weighted average fair value/share at grant date $ 2.57
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (in years) 2 years 9 months 18 days
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (in years) 4 years 6 months