Financial Statement Components - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Intangible Assets (Including Goodwill) [Roll Forward]
Beginning of the period	$ 2,424
Amortization	(63)
End of the period	2,361		$ 2,424
OptoGration
Intangible Assets (Including Goodwill) [Roll Forward]
Amortization	(100)	$ 0
Gross Carrying Amount	2,650		2,650
Accumulated Amortization	(289)		(226)
Net Carrying Amount	$ 2,361		$ 2,424
Weighted Average Remaining Period (Years)	9 years 3 months 18 days		9 years 7 months 6 days
OptoGration | Customer relationships
Intangible Assets (Including Goodwill) [Roll Forward]
Gross Carrying Amount	$ 780		$ 780
Accumulated Amortization	(52)		(33)
Net Carrying Amount	$ 728		$ 747
Weighted Average Remaining Period (Years)	9 years 3 months 18 days		9 years 7 months 6 days
OptoGration | Tradename
Intangible Assets (Including Goodwill) [Roll Forward]
Gross Carrying Amount	$ 120		$ 120
Accumulated Amortization	(120)		(120)
Net Carrying Amount	0		0
OptoGration | Developed technology
Intangible Assets (Including Goodwill) [Roll Forward]
Gross Carrying Amount	1,750		1,750
Accumulated Amortization	(117)		(73)
Net Carrying Amount	$ 1,633		$ 1,677
Weighted Average Remaining Period (Years)	9 years 3 months 18 days		9 years 7 months 6 days