Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended		15 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2023
Deferred Revenue
Revenue	$ 14,846	$ 14,347
Deferred licensing revenue	898		$ 821		$ 898
RAD Hard product 1 agreement
Deferred Revenue
Total amount of consideration to be received				$ 6,500
Amount billed for the performance under contractual agreements	6,000
Revenue	200				5,200
Deferred licensing revenue	800				800
Revenue expected to be recognized	1,300				1,300
RAD Hard product 2 agreement
Deferred Revenue
Total amount of consideration to be received			$ 6,500
Amount billed for the performance under contractual agreements	1,100
Revenue	700				1,000
Deferred licensing revenue	$ 100				$ 100