Common Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended		3 Months Ended		12 Months Ended
	May 08, 2024	May 01, 2024	Mar. 05, 2024	Jan. 31, 2025	May 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	May 15, 2025	Dec. 31, 2023	Oct. 31, 2023
Class of Stock [Line Items]
Common stock, shares authorized						100,000,000		100,000,000
Common stock, par value						$ 0.001		$ 0.001
Net proceeds from offering						$ 737	$ 0
Common stock, shares issued						22,005,317		21,666,012
Common stock, shares outstanding						22,005,317		21,666,012
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.
Shares issued, outstanding and reserved for issuance						47,292,477
Common stock, dividends declared						$ 0		$ 0
Aggregate offering price						$ 108		$ 108
Aggregate number of common stock shares issued and sold						2,353,500
Series X Preferred Stock [Member]
Class of Stock [Line Items]
Warrants exercise price						$ 4.89
Common stock reserved for issuance						12,469,000
Conversion of stock shares converted	421		11,957
Warrants and Rights Outstanding, Maturity Date						May 02, 2027
Common Stock [Member]
Class of Stock [Line Items]
Common stock, shares outstanding						22,005,317	16,842,512	21,666,012		4,885,512
Stock remained available for future issuance						52,707,523
Preferred Stock is automatically convertible into common stock	421,000		11,957,000
Warrant [Member]
Class of Stock [Line Items]
Common stock reserved for issuance						7,353,442
Percentage of common stock share outstanding						9.99%
Issuance of warrants						$ 8,000
Warrant [Member] | Minimum [Member]
Class of Stock [Line Items]
Percentage of common stock share outstanding						4.99%
2017 Employee Stock Purchase Plan [Member]
Class of Stock [Line Items]
Common stock reserved for issuance						7,500
2021 Stock Incentive Plan [Member]
Class of Stock [Line Items]
Common stock reserved for issuance						2,389,566
Stock remained available for future issuance						3,840,254
Existing Equity Incentive Plans [Member]
Class of Stock [Line Items]
Common stock reserved for issuance						3,080,582
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
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
Wainwright Sales Agreement [Member] | H.C. Wainwright [Member] | At The Market Offering [Member] | Common Stock [Member] | Maximum [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Aggregate offering price									$ 13,702
Equity Distribution Agreement [Member] | At The Market Offering [Member]
Class of Stock [Line Items]
Net proceeds from offering				$ 712		$ 712
Transaction fee				$ 22		$ 22
Equity Distribution Agreement [Member] | At The Market Offering [Member] | Common Stock [Member]
Class of Stock [Line Items]
Aggregate number of common stock shares issued and sold				317,772		317,772