Equity Incentive Plans and Stock-Based Compensation - Summary of the Value Stock Options (Details)	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term	5 years 9 months 18 days	6 years	5 years 9 months 18 days	6 years
Volatility	78.00%	78.00%	78.00%	76.00%
Risk-free rate	4.40%	2.90%	3.60%	2.80%
Dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum [Member] | ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term	6 months	6 months	6 months	6 months
Volatility	67.00%	98.00%	67.00%	98.00%
Risk-free rate	5.40%	3.30%	5.40%	3.30%
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term	6 years	6 years	6 years	6 years 9 months 18 days
Volatility	79.00%	81.00%	79.00%	81.00%
Risk-free rate	4.40%	3.60%	4.40%	3.60%
Dividend yield	0.00%	0.00%	0.00%	0.00%
Maximum [Member] | ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term	1 year	1 year	1 year	1 year
Volatility	73.00%	109.00%	73.00%	109.00%
Risk-free rate	5.50%	3.50%	5.50%	3.50%