Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Summary of Product Revenue by Geographical Locations of Customers

Product revenue by geographical locations of customers during the three months ended March 31, 2022 and 2021, were as follows (in thousands):

	Three Months Ended
	March 31,
	2022		2021
Product revenue:
North America	$	22,198	$	9,664
Europe, Middle East and Africa		14,802		13,277
Other		444		438
Total product revenue	$	37,444	$	23,379

Anti-Dilutive Effect of Common Shares

The table below presents potential shares that were excluded from the calculation of the weighted average number of shares outstanding used for the calculation of diluted net loss per share. These are excluded from the calculation due to their anti-dilutive effect for the three months ended March 31, 2022 and 2021 (shares in thousands):

	Three Months Ended
	March 31,
	2022		2021
Weighted average number of anti-dilutive potential shares:
Stock options		15,377		16,656
Restricted stock units		7,670		6,377
Employee stock purchase plan rights		40		44
Total		23,087		23,077