Quarterly report pursuant to Section 13 or 15(d)

Inventory - Schedule of Inventory (Detail)

v3.22.1
Inventory - Schedule of Inventory (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 5,486 $ 5,162
Work in process 3 3
Finished goods 115 127
Total inventory $ 5,604 $ 5,292