Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Product by Sales (Details)

v3.22.1
Segment Information - Summary of Product by Sales (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Segment Reporting Information [Line Items]    
Revenues $ 5,492 $ 3,965
United States    
Segment Reporting Information [Line Items]    
Revenues 4,812 2,405
Japan    
Segment Reporting Information [Line Items]    
Revenues $ 680 $ 1,560