Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Net Loss Per Common Share (Details)

v3.21.1
Summary of Significant Accounting Policies - Net Loss Per Common Share (Details) - shares
shares in Millions
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Antidilutive stock options and restricted stock units    
Net Loss Per Common Share    
Antidilutive securities excluded from diluted net loss per common share computations (in shares) 0.5 0.3
Warrants    
Net Loss Per Common Share    
Antidilutive securities excluded from diluted net loss per common share computations (in shares) 1.1 1.5