Aggregate number of common shares reserved for future issuance.

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Amount of expense for employee benefit and equity-based compensation.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Equity Incentive Plans - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jul. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant-date fair values of options granted	$ 9.76	$ 4.98
Aggregate intrinsic value of options exercised	$ 1,200,000
Unrecognized stock-based compensation of unvested options	$ 33,600,000
Weighted-average period expected to recognize	3 years 3 months 7 days
Common stock reserved for future issuance	11,136,238		11,221,882
Number of Shares, Granted	1,328,000
Stock based compensation	$ 2,500,000	$ 300,000
Share of common stock purchased	2,974,000	277,000
Restricted Stock Units RSU
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation of unvested options	$ 11,000.0
Weighted-average period expected to recognize	3 years 8 months 15 days
Stock based compensation	$ 500,000	$ 0
2011 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance			5,321,687
2021 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock available for issuance	3,684,766
Common stock reserved for future issuance	5,200,000
2021 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance				850,000
Share of common stock purchased	$ 0