Amount of liability related to early exercises of non-vested stock options.

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- Definition

Number of stock shares issued from early exercised stock options during the current period.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

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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- Definition

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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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
-SubTopic 10
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- Definition

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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Stock Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Stock-based compensation
Unvested shares related to early exercises of stock options (in shares)	2,385,606
Vesting of early exercised options (in shares)	96,532		111,756
Unvested early exercises of stock options	$ 0.3		$ 0.3
Stock options to purchase common stock
Stock-based compensation
Weighted-average grant-date fair value of stock options granted (in dollars per share)	$ 7.39	$ 1.61
Unrecognized compensation cost	$ 26.4
Unrecognized compensation cost, weighted-average period for recognition	2 years 2 months 12 days
Restricted Stock
Stock-based compensation
Unrecognized compensation cost	$ 3.4
Unrecognized compensation cost, weighted-average period for recognition	3 years 7 months 6 days
Future awards under the 2021 Employee Stock Purchase Plan
Stock-based compensation
Stock authorized for issuance (in shares)	591,055		278,762
2016 Stock Plan
Stock-based compensation
Stock authorized for issuance (in shares)	2,283,131		2,318,855
2021 Plan
Stock-based compensation
Stock authorized for issuance (in shares)	5,246,076		3,986,270