Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share (Details)

v3.10.0.1
Net Loss Per Common Share (Details) - shares
shares in Millions
3 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Antidilutive stock options and restricted stock units    
Net Loss Per Common Share    
Antidilutive securities excluded from diluted net loss per common share computations 2.5 0.6
Performance restricted stock units    
Net Loss Per Common Share    
Antidilutive securities excluded from diluted net loss per common share computations 0.3 0.0
Warrants    
Net Loss Per Common Share    
Antidilutive securities excluded from diluted net loss per common share computations 2.7 10.4