Stockholders' (Deficit) Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended					3 Months Ended			6 Months Ended		14 Months Ended
	May 06, 2021	Nov. 04, 2019	May 31, 2022	Jan. 31, 2022	Aug. 31, 2021	Feb. 29, 2020	Nov. 30, 2019	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Mar. 16, 2022	Dec. 31, 2021
Equity [Line Items]
Common stock, shares authorized								450,000,000			450,000,000		450,000,000		225,000,000
Common stock, par value								$ 0.0001			$ 0.0001		$ 0.0001		$ 0.0001
Number of votes for each share of common stock											Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders.
Proceeds from issuance of common stock, net of commissions											$ 82,257	$ 1,534
Additional paid in capital, common stock								$ 48
Issuance of common stock, Value									$ 81,828	$ 1,534
Preferred stock, shares outstanding								0			0		0		338,000
Non cash gains due to adjustment of warrant liability											$ 1,400
Issuance costs											$ 442	$ 105
Maximum [Member]
Equity [Line Items]
Common stock, shares authorized														450,000,000,000
Minimum [Member]
Equity [Line Items]
Common stock, shares authorized														225,000,000
HutchMed Warrants [Member]
Equity [Line Items]
Warrants to purchase shares of common stock					5,653,000
Warrants to exercise common stock					$ 11.50
Number of shares purchasable reduced upon condition					2,826,500
Warrant liability					$ 13,000
RPI Purchase Agreement [Member]
Equity [Line Items]
Proceeds from issuance of common stock, net of commissions						$ 50,000
Warrants to exercise common stock		$ 20.00					$ 20.00
RPI Purchase Agreement [Member] | Maximum [Member]
Equity [Line Items]
Warrants to purchase shares of common stock		2,500,000					2,500,000
Series A Convertible Preferred Stock [Member]
Equity [Line Items]
Preferred stock, shares outstanding								0			0		0		337,800
Preferred stock, voting rights											Shares of Series A Preferred Stock will generally have no voting rights except as required by law and except that the consent of the holders of a majority of the outstanding shares of Series A Preferred Stock will be required to amend the terms of the Series A Preferred Stock or take certain other actions with respect to the Series A Preferred Stock.
Liquidation preference per share								$ 0.001			$ 0.001		$ 0.001
Percentage of conversion restriction upon holder of convertible preferred stock shares											9.99%
Conversion of stock notice period											61 days
Number of common shares convertible for each share of convertible preferred stock								10			10		10
Preferred Stock [Member]
Equity [Line Items]
Issuance of Series A Convertible Preferred Stock, net of commissions and beneficial conversion charge, Shares			337,800			12,200
ATM Sale Agreement [Member]
Equity [Line Items]
Common stock shares issued								0			1,473,158		5,314,135
Sale of common stock, price per share								$ 1.82			$ 1.82		$ 1.82
Sale of stock, consideration received on transaction											$ 2,400
Proceeds from issuance of common stock, net of commissions											18,300
Issuance costs											600
IPO [Member]
Equity [Line Items]
Common stock shares issued				56,666,667
Sale of common stock, price per share				$ 1.50
Sale of stock, consideration received on transaction				$ 79,500
Issuance of common stock, Value											$ 937,300
Jefferies LLC [Member] | ATM Sale Agreement [Member]
Equity [Line Items]
Company common stock aggregate offering price	$ 200,000
Commission proceeds from sale	3.00%
Common Stock [Member]
Equity [Line Items]
Common stock, shares authorized								225,000,000			225,000,000		225,000,000		150,000,000
Issuance of common stock upon exercise of stock options, Share									58,139,825	182,866
Issuance of common stock, Value									$ 6
Issuance of Series A Convertible Preferred Stock, net of commissions and beneficial conversion charge, Shares			3,378,000			122,000		3,378,000
Additional Paid-In Capital [Member]
Equity [Line Items]
Additional paid in capital, common stock								$ 48
Issuance of common stock, Value									$ 81,822	$ 1,534
Additional Paid-In Capital [Member] | RPI Purchase Agreement [Member]
Equity [Line Items]
Proceeds from sale of equity securities fair value							$ 8,400