Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share - Additional Information (Detail)

v3.4.0.3
Net Loss Per Common Share - Additional Information (Detail) - shares
shares in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Stock Compensation Plan [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share amount 3.5 0.8