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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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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 Details (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Jul. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Redeemable convertible preferred stock and warrants	11,221,882	29,782,878
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 11.35	$ 2.90
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 7,300
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 23,300
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	3 years 3 months 14 days
Dividend yield	0.00%	0.00%
Number of Shares, Granted	2,487,253
Weighted-Average Exercise Price, Grants	$ 11.35
Stock-based compensation expense	$ 5,083	$ 497
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 1,200
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	3 years 9 months
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Employee Benefits and Share-based Compensation	$ 100
Two Thousand And Twenty One Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Redeemable convertible preferred stock and warrants			5,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	5,321,687
Two Thousand Twenty One Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Redeemable convertible preferred stock and warrants			850,000
Stock-based compensation expense	$ 0
Two Thousand And Eleven Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		451,670