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Segment Information (Tables)
6 Months Ended
Jun. 30, 2022
Segment Reporting [Abstract]  
Summary of product by sales

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