Shares available for future grants.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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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

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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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.

+ References

No definition available.

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- Definition

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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- Definition

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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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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- Definition

Number of options vested.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

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-Topic 740
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Stockholders Equity (Deficit) - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 28, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2019	Jan. 01, 2022	Jan. 01, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Shares, Issued		40,254,890		40,254,890
Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 2.3
Weighted average fair value of options to purchase common stock granted		$ 1.47	$ 9.38
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 3 months 18 days
2021 Employee Stock Purchase Plan
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							402,548
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum				1.00%
Shares available for future grants		791,251
2022 Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Lesser number of shares		1,000,000
Shares available for future grants		1,000,000
The 2019 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						1,824,900
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum					5.00%
Lesser number of shares					1,000,000
Shares available for future grants		8,553,496
The 2019 Plan Member \| Accounting Standards Update 2019-12 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecorded tax benefits		$ 3.9
Common Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Convertible preferred stock issued	20,549,478		20,549,478