Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Jun. 30, 2022
Deferred Revenue
Revenue	$ 14,707	$ 11,848	$ 29,054	$ 22,128
Unbilled accounts receivable	611		611		$ 450	$ 611
Deferred licensing revenue					832
RAD-Hard product
Deferred Revenue
Total amount of consideration to be received					6,500
Amount billed for the performance under contractual agreements			4,200
Revenue	800		1,300			4,700
Unbilled accounts receivable	500		500			500
Deferred licensing revenue					$ 800
Revenue expected to be recognized	$ 1,800		$ 1,800			$ 1,800