Employee Stock Purchase and Stock Incentive Plans - Summary of Change in Liability to Common Shares Subject to Repurchase and Associated Non-Cash Compensation Expense (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Beginning Balance	$ 7,000	$ 842,000
Non-cash compensation from ratable vesting		41,000
Non-cash compensation from change in fair value of liability		2,000
Other stock activity, net	(7,000)	516,000
Reclassification upon modification		(1,394,000)
Ending balance	$ 0	$ 7,000