Share-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

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

	Number of Options
Options outstanding at March 31, 2022	6,130,680
Granted	204,808
Exercised	(164,226)
Forfeited	(250,035)
Options outstanding at June 30, 2022	5,921,227
Options vested and expected to vest at June 30, 2022	5,921,227
Options exercisable at June 30, 2022	3,993,191

Summary of Restricted Share Awards and Restricted Stock Units Activity

Activity for restricted stock units and performance share units for the three months ended June 30, 2022 is included in the following table:

	Number of Shares
Unvested balance at March 31, 2022	4,532,619
Granted	5,057,731
Vested	(634,360)
Forfeited	(626,737)
Unvested balance at June 30, 2022	8,329,253

Schedule of Share-based Compensation

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

	Three Months Ended June 30,
	2022		2021
Share-based compensation recognized as:
SG&A expense	$	5,972	$	7,155
R&D expense	3,666		3,957
Cost of product revenue (1)	68		3
Share-based compensation expense	$	9,706	$	11,115
Share-based compensation capitalized into inventory	$	363	$	150

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