Post-effective amendment to a registration statement that is not immediately effective upon filing

Inventory (Details)

v3.22.2
Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]      
Raw materials $ 618 $ 414 $ 330
Work in process 249 117 0
Finished goods 155 157 0
Inventory $ 1,022 $ 688 $ 330