Share-Based Compensation (Tables)

6 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

Activity for stock options for the six months ended September 30, 2022 is included in the following table:

	Number of Options
Options outstanding at March 31, 2022	6,130,680
Granted	204,808
Exercised	(676,852)
Forfeited	(357,461)
Options outstanding at September 30, 2022	5,301,175
Options vested and expected to vest at September 30, 2022	5,301,175
Options exercisable at September 30, 2022	3,703,568

Summary of Restricted Share Awards and Restricted Stock Units Activity

Activity for restricted stock units and performance stock units for the six months ended September 30, 2022 is included in the following table:

	Number of Shares
Unvested balance at March 31, 2022	4,532,619
Granted	5,391,581
Vested	(1,022,354)
Forfeited	(1,072,644)
Unvested balance at September 30, 2022	7,829,202

Schedule of Share-based Compensation

Share-based compensation during the three and six months ended September 30, 2022 and 2021 was as follows (in thousands):

	Three Months Ended September 30,				Six Months Ended September 30,
	2022		2021		2022		2021
Share-based compensation recognized as:
SG&A expense	$	7,744	$	6,803	$	13,716	$	13,958
R&D expense	3,832		4,884		7,498		8,841
Cost of product revenue (1)	141		15		209		18
Share-based compensation expense	$	11,717	$	11,702	$	21,423	$	22,817
Share-based compensation capitalized into inventory	$	325	$	176	$	688	$	326

(1) Share-based compensation capitalized into inventory is recognized as cost of product revenue when the related product is sold.