Business Acquisition - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Oct. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Net proceeds from the Financing expected to be used to advance		$ 96	$ (0)
Lung Acquisition
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		$ 1,553
Lung Acquisition | Purchase Agreement [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 1,553
Net proceeds from the Financing expected to be used to advance	17,536
Convertible Promissory Notes [Member] | Lung Acquisition | Purchase Agreement [Member]
Business Acquisition [Line Items]
Debt conversion, converted instrument, amount	$ 1,553
Common Stock [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	344,566
Common Stock [Member] | Whole Shares [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	344,345
Common Stock [Member] | Fractional Share [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	221
Series X Preferred Stock [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	20,141
Convertible Preferred Stock, Shares Issued upon Conversion	1,000
Series X Preferred Stock [Member] | Lung Acquisition | Purchase Agreement [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	4,707
Percentage of discount to per share price	10.00%
Convertible Preferred Stock, Shares Issued upon Conversion	1,000
Series X Preferred Stock [Member] | Whole Shares [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	19,903
Series X Preferred Stock [Member] | Fractional Share [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	238
Warrant [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business acquisition number of shares exercisable	(726,437)
Warrant [Member] | Lung Acquisition | Purchase Agreement [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	2,353,500
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 18,429
Stock Options [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business acquisition number of shares exercisable	(1,780,459)
Common Stock and Series X Preferred Stock [Member] | Lung Acquisition
Business Acquisition [Line Items]
Business acquisition cash in lieu of fractional shares	$ 290