Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Additional Information) (Detail)

v3.7.0.1
Subsequent Events (Additional Information) (Detail) - Subsequent Event [Member] - USD ($)
1 Months Ended
Aug. 14, 2017
Aug. 09, 2017
Subsequent Event [Line Items]    
Common Stock Awards (in Shares) 1,500,000  
Shares Issued, Price Per Share $ 5.75  
Common Stock Awards $ 8,625,000  
Employee Stock Option [Member]    
Subsequent Event [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   65,500
External Board [Member]    
Subsequent Event [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   50,000