Segment Information

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Segment Information

14. SEGMENT INFORMATION

In its operation of the business, our chief operating decision maker, who is also our Chief Executive Officer, reviews the business as one segment. The Company currently ships its products to markets in the United States and Japan. Product sales attributed to a country are based on the location of the customer to whom the products are being sold. Long-lived assets are primarily held in the United States.

Product sales by country are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
	(in thousands)				(in thousands)
United States	$	23,448	$	2,929	$	28,260	$	5,334
Japan		—		1,574		680		3,134
Total revenue	$	23,448	$	4,503	$	28,940	$	8,468