Annual report pursuant to Section 13 and 15(d)

NET LOSS PER SHARE - Anti-dilutive shares excluded from the computations of diluted net income (loss) (Details) (Details)

v3.20.1
NET LOSS PER SHARE - Anti-dilutive shares excluded from the computations of diluted net income (loss) (Details) (Details) - shares
shares in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares excluded (in shares) 7,466 4,964 1,913
Stock awards      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares excluded (in shares) 931 307 1,838
Warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares excluded (in shares) 6,312 4,657 75
ESPP      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive shares excluded (in shares) 223 0 0