Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended	15 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2024	Dec. 31, 2023
Deferred Revenue
Revenue	$ 14,430	$ 14,846
Deferred licensing revenue	81			$ 81	$ 336
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	300			5,900
Deferred licensing revenue	100			100
Revenue expected to be recognized	$ 600			$ 600