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Stock-Based Compensation and Stockholders' Equity (Tables)
 12 Months Ended
Mar. 31, 2025
Equity [Abstract]  
Schedule of Unvested Restricted Stock Units Roll Forward
Shares of common stock reserved for future issuance related to outstanding equity awards and employee equity incentive plans as of March 31, 2025, were as follows (in thousands):
Common Stock Reserved
Stock options outstanding152 
Restricted stock units outstanding14,111 
Shares available under the 2017 Plan178 
Shares available under the 2022 Plan10,253 
Shares available for future issuance under ESPP277 
Total shares of common stock reserved24,971 
Schedule of Stock-Based Compensation Expense
The following table presents stock-based compensation expense (in thousands):
 Years Ended March 31,
 202520242023
Cost of service revenue$2,939 $4,993 $9,236 
Cost of other revenue1,192 1,918 3,531 
Research and development13,761 24,112 29,581 
Sales and marketing9,863 15,271 24,921 
General and administrative12,185 15,616 22,267 
Total$39,940 $61,910 $89,536 
As of March 31, 2025, unrecognized stock-based compensation expense by award type and their expected weighted-average recognition periods are summarized as follows (in thousands, except years):
RSUPSUESPP
Unrecognized stock-based compensation expense$19,396 $2,284 $838 
Weighted-average amortization period1.8 years0.9 years0.8 years
Schedule of Award Activity
The following table presents the RSU activity during the years ended March 31, 2025, 2024, and 2023 (shares in thousands):
Number of SharesWeighted Average Grant Date Fair ValueWeighted Average Remaining Contractual Term (in Years)
Balance at March 31, 20229,375 $20.41 2.11
Granted13,297 5.71 
Vested and released(5,275)19.18 
Forfeited(4,404)12.46 
Balance at March 31, 202312,993 8.56 1.84
Granted7,186 3.85 
Vested and released(7,613)8.87 
Forfeited(2,241)7.13 
Balance at March 31, 202410,325 5.36 1.75
Granted7,897 2.10 
Vested and released(6,446)5.99 
Forfeited(1,547)3.88 
Balance at March 31, 202510,229 $2.67 0.94
The following table presents the PSU activity during the years ended March 31, 2025, 2024, and 2023 (shares in thousands):
Number of SharesWeighted Average Grant Date Fair ValueWeighted Average Remaining Contractual Term (in Years)
Balance at March 31, 20221,026 $35.36 0.89
Granted(1)
853 7.31 
Granted for performance achievement(1)
24 7.31 
Vested and released(128)25.65 
Forfeited(1,151)28.11 
Balance at March 31, 2023624 11.30 1.45
Granted(2)
2,023 3.25 
Forfeited(116)21.83 
Balance at March 31, 20242,531 4.38 1.16
Granted(1)
1,793 1.91 
Forfeited(444)7.56 
Balance at March 31, 20253,880 $2.88 0.85
(1) Represents performance-based PSUs granted based on achievement of specific financial or operational goals, such as revenue growth or CFFO.
(2) Represents market-based PSUs granted based on relative TSR performance or achievement of specific pre-established absolute stock price hurdles.
The Company did not grant any market-based PSU awards during the year ended March 31, 2025. The PSUs granted during the years ended March 31, 2024 and 2023 were valued for compensation expense purposes at weighted average share price determined by the Monte Carlo simulations using volatility factors and risk-free rates as follows:
Year Ended March 31,Value per Weighted Average ShareVolatility RangeRisk-Free Interest Rate Range
2024$3.25 68.85%—68.97%4.03%—4.08%
2023$7.05 51.96%—69.30%3.15%—4.42%
Schedule of Employee Stock Purchase Plan Pricing Model Assumptions
The estimated fair value of stock purchase rights granted under the Employee Stock Purchase Plan was estimated using the Black-Scholes pricing model with the following weighted-average assumptions:
 Years Ended March 31,
 202520242023
Expected volatility83%75%72%
Expected dividend yield———
Risk-free interest rate4.70%5.26%3.30%
Weighted average expected term0.8 years0.8 years0.8 years
Weighted average fair value of rights granted$0.81$1.31$2.09