Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of potentially dilutive securities have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (Detail)

v3.21.2
Summary of Significant Accounting Policies - Summary of potentially dilutive securities have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (Detail) - shares
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 7,654,112 16,275,754
Preferred stock as converted    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 10,000 10,000
Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 6,712,189 5,238,554
Restricted stock units (vested and not settled and unvested)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 931,923 127,200
Restricted stock (unvested)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 0 900,000
Earnout shares    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 0 10,000,000