Common Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands						1 Months Ended	9 Months Ended		12 Months Ended
	May 08, 2024	May 05, 2024	May 01, 2024	Mar. 05, 2024	Oct. 31, 2023	May 31, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Jul. 26, 2024	Jun. 30, 2024	Mar. 31, 2024	Feb. 28, 2024	Jun. 30, 2023	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Common stock, shares authorized							100,000,000		45,000,000				100,000,000
Common stock, par value							$ 0.001		$ 0.001
Net proceeds from offering							$ 10,645	$ 0
Common stock, shares issued							21,665,941		4,885,512
Common stock, shares outstanding							21,665,941		4,885,512
Common stock voting rights							Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders.
Common stock, dividends declared							$ 0		$ 0
Aggregate number of common stock shares issued and sold							2,353,500
Treasury stock							0
Shares issued, outstanding and reserved for issuance							46,926,928
Series X Preferred Stock [Member]
Class of Stock [Line Items]
Warrants exercise price							$ 4.89
Conversion of stock shares converted	421	11,957		11,957
Preferred stock, shares issued							24,610		24,610
Conversion of stock shares issued							12,232
Preferred Stock is convertible into common stock							1,000
Preferred stock, shares outstanding							12,232		24,610
Common stock reserved for issuance							12,469,000
Warrants and Rights Outstanding, Maturity Date							May 02, 2027
Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares outstanding							21,665,941	4,541,167	4,885,512		21,625,085	16,842,512		4,541,167	4,541,167		4,541,167
Preferred Stock is automatically convertible into common stock	421,000	11,957,000		11,957,000
Preferred Stock is convertible into common stock							12,232,000
Stock remained available for future issuance							53,073,072
Warrants [Member]
Class of Stock [Line Items]
Percentage of common stock share outstanding							9.99%
Issuance of warrants							$ 8,000
Common stock reserved for issuance							7,353,442
Warrants [Member] | Minimum [Member]
Class of Stock [Line Items]
Percentage of common stock share outstanding							4.99%
PIPE Warrants [Member]
Class of Stock [Line Items]
Warrants exercise price					$ 4.89
Issuance of warrants							$ 741
PIPE Warrants [Member] | Maximum [Member]
Class of Stock [Line Items]
Percentage of common stock share outstanding							19.99%
Existing Equity Incentive Plans [Member]
Class of Stock [Line Items]
Common stock reserved for issuance							2,195,039
2021 Stock Incentive Plan [Member]
Class of Stock [Line Items]
Common stock reserved for issuance							3,236,006
Stock remained available for future issuance							3,908,718
2017 Employee Stock Purchase Plan [Member]
Class of Stock [Line Items]
Common stock reserved for issuance							7,500									0
Stock remained available for future issuance							7,500
Lung Acquisition [Member]
Class of Stock [Line Items]
Net proceeds from offering							$ 17,536
Warrants exercise price							$ 5.66
Common stock, shares issued					344,345
Aggregate number of common stock shares issued and sold							726,437
Warrants and Rights Outstanding, Maturity Date							May 20, 2029
Lung Acquisition [Member] | Series X Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued					19,903
Aggregate number of common stock shares issued and sold					4,707
Lung Acquisition [Member] | PIPE Warrants [Member] | Maximum [Member]
Class of Stock [Line Items]
Aggregate number of common stock shares issued and sold					2,353,500
Underwriting Agreement [Member]
Class of Stock [Line Items]
Common stock, par value			$ 0.001
Net proceeds from offering			$ 17,675			$ 17,675	$ 17,675
Warrants exercise price							$ 4.68
Underwriter purchased price						$ 4.35
Aggregate number of common stock shares issued and sold							4,273,505
Warrants and Rights Outstanding, Maturity Date							May 03, 2027
Underwriting Agreement [Member] | Common Stock [Member]
Class of Stock [Line Items]
Offering price						$ 4.68
Warrants exercise price							$ 4.68
Aggregate number of common stock shares issued and sold			4,273,505			4,273,505
Warrants to purchase shares of common stock						4,273,505
Equity Distribution Agreement [Member] | Citizens Jmp Securities [Member] | Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares issued										50,000