Balance Sheet Components - Intangible assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Intangible assets
Finite-lived intangible assets, net	$ 18,191
Total intangible assets, net	22,991	$ 22,651
Developed technology
Intangible assets
Total intangible assets	25,000	25,000
Accumulated amortization	(8,194)	(7,361)
Finite-lived intangible assets, net	16,806	17,639
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	(98)	(88)
Finite-lived intangible assets, net	202	$ 212
Internal use software costs - registry
Intangible assets
Total intangible assets	1,183
Finite-lived intangible assets, net	$ 1,183