Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Deferred Revenue
Revenue	$ 55,146	$ 42,031
Deferred licensing revenue	832
RAD-Hard product
Deferred Revenue
Total amount of consideration to be received	6,500
Revenue	3,300
Deferred licensing revenue	800
Amount billed for the performance under contractual agreements	4,100
Revenue expected to be recognized	$ 3,200