Quarterly report pursuant to Section 13 or 15(d)

Incentive Stock Plan - Additional Information (Detail)

v3.7.0.1
Incentive Stock Plan - Additional Information (Detail) - shares
Sep. 30, 2016
Mar. 31, 2015
Mar. 31, 2014
2014 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incentive stock plan, authorized     (50,000,000)
Incentive stock plan, shares available for issuance 750,103    
2015 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incentive stock plan, authorized   (85,000,000)  
Incentive stock plan, shares available for issuance 142,244