Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.22.2.2
Inventory (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Inventory Disclosure [Abstract]      
Raw materials $ 21,738   $ 18,890
Work in process 29,839   27,123
Inventories, gross 51,577   46,013
Provision for contract losses (5,796)   (11,626)
Reserve for inventory excess and obsolescence (1,053)   (460)
Inventory 44,728   33,927
Inventory write-down $ 1,581 $ 0 $ 4,100