Balance Sheet Components (Tables)

6 Months Ended

Sep. 30, 2023

Balance Sheet Related Disclosures [Abstract]

Property and Equipment, Net

Property and equipment, net consisted of the following:

	September 30, 2023			March 31, 2023
	(in thousands)
Computer and software	$	9,993		$	10,376
Laboratory equipment and software		52,803			52,785
Furniture and office equipment		8,963			8,946
Leasehold improvements		40,955			40,964
Capitalized asset retirement obligations		853		853
Property and equipment, gross		113,567			113,924
Less: accumulated depreciation and amortization		(80,762	)		(75,316	)
Property and equipment, net	$	32,805		$	38,608

Schedule of internal use software

Internal-use software, net consisted of the following:

	September 30, 2023			March 31, 2023
	(in thousands)
Capitalized internal-use software	$	30,901		$	25,180
Less: accumulated amortization		(11,930	)		(9,519	)
Internal-use software, net	$	18,971		$	15,661

Summary of Intangible Assets, Net

Intangible assets, net consisted of the following:

	September 30, 2023
	Weighted Average Remaining Useful Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(in thousands, except years)
Customer relationships		0.1	$	14,900	$	(14,279	)	$	621
Partnerships		8.1		9,000		(1,725	)		7,275
Trademark		3.1		11,000		(4,217	)		6,783
Developed technology		5.1		24,100		(6,599	)		17,501
Non-compete agreements		3.1		2,800		(1,073	)		1,727
Patents		5.0		5,500		(1,572	)		3,928
Total intangible assets			$	67,300	$	(29,465	)	$	37,835

	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 September 30, 2023 was as follows:

	Estimated Amortization
	(in thousands)
Fiscal years ending March 31,
Remainder of 2024 (Remaining six months)	$	4,581
2025		7,919
2026		7,919
2027		6,769
2028		5,006
Thereafter		5,641
Total estimated future amortization expense	$	37,835

Schedule of Accrued Expense and Other Current Liabilities

Accrued expense and other current liabilities consisted of the following:

	September 30, 2023		March 31, 2023
	(in thousands)
Accrued payables	$	8,590	$	17,030
Accrued compensation and benefits		11,693		14,737
Accrued bonus		8,335		21,600
Accrued clinical expenses		15,195		11,707
Accrued taxes and other		873		1,356
Total accrued expenses and other current liabilities	$	44,686	$	66,430