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
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount 11,131,304 10,489,695
Restricted Stock [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount 8,059,258