Nature of the Business - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended						9 Months Ended
	May 01, 2024	May 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Jul. 26, 2024	Dec. 31, 2023	Oct. 31, 2023
Class of Stock [Line Items]
Net proceeds from offering									$ 10,645	$ 0
Proceeds from collaboration agreement									34,910
Cash and cash equivalents			$ 17,652			$ 12,069			$ 17,652	12,069		$ 17,313
Number of stock sold									2,353,500
Common stock, par value			$ 0.001						$ 0.001			$ 0.001
Common Stock, Shares, Issued			21,665,941						21,665,941			4,885,512
Net loss			$ (5,847)	$ (8,942)	$ (7,113)	$ (1,827)	$ (1,787)	$ (4,779)	$ (21,902)	$ (8,393)
Accumulated deficit			(310,419)						(310,419)			$ (288,517)
Underwriting Agreement [Member]
Class of Stock [Line Items]
Net proceeds from offering	$ 17,675	$ 17,675							$ 17,675
Number of stock sold									4,273,505
Common stock, par value	$ 0.001
Lung Acquisition [Member]
Class of Stock [Line Items]
Net proceeds from offering									$ 17,536
Cash and cash equivalents			$ 17,652						$ 17,652
Number of stock sold									726,437
Common Stock, Shares, Issued													344,345
Offering Warrant Shares [Member]
Class of Stock [Line Items]
Shares issued, price per share	4.68
Offering Warrant Shares [Member] | Underwriting Agreement [Member]
Class of Stock [Line Items]
Shares issued, price per share	$ 4.35
Offering Shares [Member]
Class of Stock [Line Items]
Proceeds from sales of stock									$ 145,467
Offering Shares [Member] | Underwriting Agreement [Member]
Class of Stock [Line Items]
Number of stock sold	4,273,505	4,273,505
Warrants to purchase shares of common stock		4,273,505
Offering Shares [Member] | Equity Distribution Agreement [Member] | Citizens JMP Securities [Member]
Class of Stock [Line Items]
Common Stock, Shares, Issued											50,000
Offering Shares [Member] | Offering Warrant Shares [Member] | Underwriting Agreement [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock	4,273,505
Preferred Stock [Member]
Class of Stock [Line Items]
Proceeds from sales of stock									$ 131,211