Nature of the Business - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended				6 Months Ended
	May 01, 2024	May 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Class of Stock [Line Items]
Net proceeds from offering							$ 10,937	$ 0
Proceeds from collaboration agreement							34,910
Cash and cash equivalents			$ 21,917		$ 13,167		$ 21,917	13,167	$ 17,313
Number of stock sold							2,353,500
Common stock, par value			$ 0.001				$ 0.001		$ 0.001
Net loss			$ (8,942)	$ (7,113)	$ (1,787)	$ (4,779)	$ (16,055)	$ (6,566)
Accumulated deficit			(304,572)				(304,572)		$ (288,517)
Underwriting Agreement [Member]
Class of Stock [Line Items]
Net proceeds from offering	$ 18,162	$ 18,162					$ 18,162
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			$ 21,917				$ 21,917
Number of stock sold							726,437
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] | 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