Balance Sheet Components (Tables)

12 Months Ended

Mar. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Prepaid Expense and Other Current Assets

Prepaid expense and other current assets consisted of the following:

	March 31, 2024		March 31, 2023
	(in thousands)
Prepaid expenses	$	9,296	$	13,244
Other receivables	5,751		3,003
Other current assets	1,794		2,977
Prepaid expenses and other current assets	$	16,841	$	19,224

Property and Equipment, Net

Property and equipment, net consisted of the following:

	March 31, 2024		March 31, 2023
	(in thousands)
Computer equipment and software	$	7,485	$	10,376
Laboratory equipment and software	51,635		52,785
Furniture and office equipment	8,929		8,946
Leasehold improvements	41,180		40,964
Capitalized asset retirement obligations	853		853
Property and equipment, gross	110,082		113,924
Less: accumulated depreciation and amortization	(81,731)		(75,316)
Property and equipment, net	$	28,351	$	38,608

Operating Lease, Right-of-Use Assets, Net

Operating lease right-of-use assets, net consisted of the following:

	March 31, 2024	March 31, 2023
	(in thousands)
Operating lease right-of-use assets	85,166	85,408
Less: accumulated amortization	(36,272)	(29,330)
Operating lease right-of-use assets, net	48,894	56,078

Schedule of Internal-Use Software

Internal-use software, net consisted of the following:

	March 31, 2024		March 31, 2023
	(in thousands)
Capitalized internal-use software	$	35,918	$	25,180
Less: accumulated amortization	(15,402)		(9,519)
Internal-use software, net	$	20,516	$	15,661

Summary of Intangible Assets, Net

Intangible assets, net consisted of the following:

	March 31, 2024
	Weighted Average Remaining Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in thousands, except years)
Customer relationships	0.0	$	14,900	$	(14,900)	$	—
Partnerships	7.6	9,000		(2,175)		6,825
Trademark	2.6	11,000		(5,317)		5,683
Developed technology	4.6	24,100		(8,320)		15,780
Non-compete agreements	2.6	2,800		(1,353)		1,447
Patents	4.5	5,500		(1,980)		3,520
Total intangible assets		$	67,300	$	(34,045)	$	33,255

	March 31, 2023
	Weighted Average Remaining Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Cumulative Impairment Charge		Cumulative Currency Translation		Net Carrying Amount
	(in thousands, except years)
Customer relationships	0.6	$	14,900	$	(10,554)	$	—	$	—	$	4,346
Partnerships	8.6	23,200		(4,385)		(9,968)		(1,122)		7,725
Trademark	3.6	11,000		(3,117)		—		—		7,883
Developed technology	5.6	24,100		(4,877)		—		—		19,223
Non-compete agreements	3.6	2,800		(793)		—		—		2,007
Patents	5.5	5,500		(1,164)		—		—		4,336
Total intangible assets		$	81,500	$	(24,890)	$	(9,968)	$	(1,122)	$	45,520

Summary of Future Amortization of Intangible Assets

Estimated future amortization expense of the identified intangible assets as of March 31, 2024 was as follows:

	Estimated Amortization
	(in thousands)
Fiscal years ending March 31,
2025	$	7,919
2026	7,919
2027	6,769
2028	5,006
2029	3,176
Thereafter	2,466
Total estimated future amortization expense	$	33,255

Schedule of Change in Carrying Amount of Goodwill

The following table presents the changes in the carrying amount of goodwill for the Consumer and Research Services reporting unit:

	Carrying Amount
	(in thousands)
As of March 31, 2023	$	351,744
Less: Impairment	(351,744)
As of March 31, 2024	$	—

Schedule of Accrued Expense and Other Current Liabilities

Accrued expense and other current liabilities consisted of the following:

	March 31, 2024		March 31, 2023
	(in thousands)
Accrued payables	$	12,957	$	17,030
Accrued compensation and benefits	4,266		5,898
Accrued vacation	7,221		8,839
Accrued bonus	7,420		21,600
Accrued clinical expenses	9,291		11,707
Accrued taxes and other	1,108		1,356
Total accrued expenses and other current liabilities	$	42,263	$	66,430