Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Deferred tax assets:
Accrued liabilities	$ 8,663	$ 10,135
Allowance for expected credit losses and doubtful accounts	121	154
Federal losses and credit carryforwards	20,429	28,588
Foreign losses and credit carryforwards	3,325	3,324
State losses and credit carryforwards	6,261	7,248
Deferred revenue	368	270
Capitalized research expenses	32,410	22,280
Property and equipment and software amortization	0	0
Operating lease liabilities	5,372	5,715
Goodwill and other intangible assets	(574)	(694)
Other	426	438
Deferred tax assets, gross	76,801	77,458
Less: valuation allowance	(1,340)	(2,938)
Total	75,461	74,520
Deferred tax liabilities:
Operating lease right-of-use assets	(3,961)	(4,230)
Goodwill and other intangible assets	(13,958)	(3,274)
Property and equipment and software amortization	(2,007)	(198)
Total	(19,926)	(7,702)
Total deferred tax assets, net	$ 55,535	$ 66,818