Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Additional Information 2 (Detail)

v3.5.0.2
Common Stock - Additional Information 2 (Detail) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Anti-dilutive securities excluded from earning per share computation 7.1 7.6 7.1 7.6
Warrant [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Anti-dilutive securities excluded from earning per share computation 3.7   3.7  
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Anti-dilutive securities excluded from earning per share computation 3.0   3.0  
Restricted Stock Unit [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Anti-dilutive securities excluded from earning per share computation 0.4   0.4