Fair value of liabilities.

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- Definition

Sale of common stock at sole discretion, amount.

+ References

No definition available.

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- Definition

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.

+ References

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-Publisher FASB
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-Topic 505
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Face amount or stated value per share of common stock.

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- Definition

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

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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.

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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 expense (income) related to adjustment to fair value of warrant liability.

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

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The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

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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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No definition available.

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Number of new stock issued during the period.

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Stockholders' Equity - Additional Information (Detail) - USD ($)			3 Months Ended		6 Months Ended
	Apr. 22, 2022	Apr. 10, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Capitalization Equity [Line Items]
Common stock, par value (in dollars per share)			$ 0.001		$ 0.001			$ 0.001
Common stock, shares authorized (in shares)			150,000,000		150,000,000			150,000,000
Common stock, shares issued (in shares)			37,175,665		37,175,665			32,682,342
Common stock, shares outstanding (in shares)			37,175,665		37,175,665			32,682,342
Proceeds from common stock issued					$ 4,000	$ 47,153,000
Warrant liabilities fair value adjustment			$ (8,214,000)	$ (9,682,000)	13,459,000	$ (19,712,000)
Warrant liabilities			$ 32,100,000		$ 32,100,000			$ 18,600,000
Common Stock
Schedule Of Capitalization Equity [Line Items]
Common stock, shares outstanding (in shares)			37,175,665	32,596,403	37,175,665	32,596,403	33,327,627	32,682,342	29,221,158	28,705,334
Common stock issued, net of expenses (in shares)			3,787,400	3,358,333	4,150,400	3,845,943
Cantor Fitzgerald & Co. and Ladenburg Thalmann & Co. Inc. \| Sales Agreement
Schedule Of Capitalization Equity [Line Items]
Common stock issued, net of expenses (in shares)			0	0	0	137,610
Proceeds from common stock issued				$ 0		$ 700,000
Aspire Capital \| Common Stock Purchase Agreement
Schedule Of Capitalization Equity [Line Items]
Common stock issued, net of expenses (in shares)				0		375,000
Proceeds from common stock issued				$ 0		$ 1,500,000
Maximum \| Aspire Capital \| Common Stock Purchase Agreement
Schedule Of Capitalization Equity [Line Items]
Sale of common stock at sole discretion		$ 20,000,000.0
April 2022 Public Offering
Schedule Of Capitalization Equity [Line Items]
Common stock issued, net of expenses (in shares)	3,333,333
Pre-funded warrants were exercised for proceeds			$ 3,787,000		$ 4,150,000
Proceeds from common stock issued	$ 41,800,000
April 2022 Public Offering \| Pre-funded Warrants
Schedule Of Capitalization Equity [Line Items]
Common stock, par value (in dollars per share)	$ 0.001
Common stock issued, net of expenses (in shares)			3,787,400		4,150,400
Number of warrants issued to purchase common stock (in shares)	11,666,667		7,516,267	11,666,667	7,516,267	11,666,667
Public offering price	$ 2.999
April 2022 Public Offering \| Common Stock
Schedule Of Capitalization Equity [Line Items]
Public offering price	$ 3.00
April 2022 Public Offering \| Maximum \| Warrant [Member]
Schedule Of Capitalization Equity [Line Items]
Number of warrants issued to purchase common stock (in shares)	15,000,000