Balance Sheet Components - Intangible assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Intangible assets
Finite-lived intangible assets, net	$ 17,151
Total intangible assets, net	21,951	$ 22,439
Developed technology
Intangible assets
Total intangible assets	25,000	25,000
Accumulated amortization	(9,444)	(9,028)
Finite-lived intangible assets, net	15,556	15,972
In process research and development
Intangible assets
Total intangible assets	4,800	4,800
Finite-lived intangible assets, net	4,800	4,800
Trademarks
Intangible assets
Total intangible assets	300	300
Accumulated amortization	(113)	(108)
Total intangible assets, net	187	192
Internal use software costs - registry
Intangible assets
Total intangible assets	1,236	1,236
Accumulated amortization	(184)	(122)
Finite-lived intangible assets, net	1,052	1,114
Patents
Intangible assets
Total intangible assets	361	361
Accumulated amortization	(5)
Finite-lived intangible assets, net	$ 356	$ 361