Common stock shares maximum aggregate offering price.

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Estimated maximum amount of common stock issuable.

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- Definition

Fair market value of commitment shares.

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Gross proceeds from issuance of common stock.

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- Definition

Number Of Institutional Investors

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- Definition

Term of purchase agreement.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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-Topic 505
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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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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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The cash outflow for cost incurred directly with the issuance of an equity security.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The cash inflow from the additional capital contribution to the entity.

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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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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions				6 Months Ended
	Feb. 03, 2021 USD ($) Investor $ / shares shares	Jul. 14, 2020 USD ($)	Mar. 27, 2020 USD ($) shares	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares authorized \| shares				200,000,000	200,000,000
Common stock, par value \| $ / shares				$ 0.0001	$ 0.0001
Preferred stock, shares authorized \| shares				10,000,000
Preferred stock, par value \| $ / shares				$ 0.0001
Common stock, shares outstanding \| shares				34,352,084	29,455,668
Unamortized stock compensation for stock options				$ 9.7
Weighted-average recognition period of stock option unamortized				2 years 9 months 18 days
Equity Unit Purchase Agreements
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Institutional Investors \| Investor	2
Shares upon exercise of warrants \| shares	1,285,713
Gross proceeds from issuance of common stock	$ 30.0
Proceeds from issuance of common stock	$ 29.9
Common Stock \| Purchase Agreement \| Lincoln Park
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock, Shares \| shares			65,374	0
Stock issuance costs			$ 0.4
Estimated maximum amount of common stock issuable			$ 15.0
Term of purchase agreement			36 months
Fair market value of commitment shares			$ 0.2
Common Stock \| Equity Unit Purchase Agreements
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock, Shares \| shares	4,285,710
Common Stock \| 2020 ATM Facility
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock, Shares \| shares				0
Common Stock \| 2020 ATM Facility \| Open Market Sales Agreement
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock, Shares \| shares				788,685
Gross proceeds from issuance of common stock				$ 10.4
Proceeds from issuance of common stock				10.0
Common stock shares maximum aggregate offering price		$ 150.0
Stock issuance costs				$ 0.4
Common Stock Warrants \| Equity Unit Purchase Agreements
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Sale of stock, price per share \| $ / shares	$ 25.00
Gross proceeds from issuance of common stock	$ 25.0
Warrants exercisable, per share exercise price \| $ / shares	$ 14.00