Inventory - Schedule of Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials	$ 26	$ 53
Sub-assemblies	4,011	4,656
Finished goods	1,655	645
Inventory, gross	5,692	5,354
Provision for inventory obsolescence	(437)	(352)
Inventory	$ 5,255	$ 5,002