Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of Product Revenue by Geographical Locations of Customers

Product revenue by geographical locations of customers during the three and nine months ended September 30, 2021 and 2020, were as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Product revenue:
North America	$	20,860	$	8,465	$	45,171	$	20,942
Europe, Middle East and Africa		14,965		14,527		44,473		41,210
Other		306		615		1,350		1,569
Total product revenue	$	36,131	$	23,607	$	90,994	$	63,721

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 and nine months ended September 30, 2021 and 2020 (shares in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Weighted average number of anti-dilutive potential shares:
Stock options		16,362		17,811		16,626		17,888
Restricted stock units		6,763		5,751		6,642		5,401
Employee stock purchase plan rights		34		75		123		16
Total		23,159		23,637		23,391		23,305