Stock-Based Compensation - Schedule of option activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Number of Options
Beginning of period, Options outstanding (in shares)	2,879,008	2,543,125
Options granted (in shares)	281,712	528,077
Options exercised (in shares)	(168,326)	(52,799)
Options canceled (in shares)	(83,190)	(139,395)
End of period, Options outstanding (in shares)	2,909,204	2,879,008	2,543,125
Exercisable at end of period (in shares)	2,302,834	2,206,259
Weighted Average Exercise Price per Share
Beginning of period (in usd per share)	$ 4.88	$ 4.82
Options granted (in usd per share)	5.09	6.31
Options exercised (in usd per share)	4.22	4.19
Options canceled (in usd per share)	5.95	9.52
End of period (in usd per share)	4.90	4.88	$ 4.82
Exercisable at end of period (in usd per share)	$ 4.66	$ 4.44
Weighted Average Remaining Contractual Term (in Years)
Options outstanding, weighted average remaining contractual term (in years)	5 years 6 months	6 years 7 days	6 years 18 days
Options exercisable, weighted average remaining contractual term (in years)	4 years 7 months 17 days	4 years 11 months 26 days
Aggregate Intrinsic Value (in thousands)
Options outstanding, aggregate intrinsic value	$ 126	$ 6,747	$ 0
Options exercisable, aggregate intrinsic value	$ 125	$ 5,984
Intrinsic value (in usd per share)	$ 3.99	$ 7.07