Commitments and Contingencies - Additional Information (Detail) $ / shares in Units, $ in Thousands			1 Months Ended		6 Months Ended		12 Months Ended
	Aug. 16, 2021 ft²	Feb. 06, 2015 shares	Mar. 31, 2018 USD ($) $ / shares shares	Jun. 30, 2013 shares	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Feb. 28, 2010 USD ($)
Harvard and Dana-Farber Agreement [Member] | Therapeutic Product [Member]
Other Commitments [Line Items]
Aggregate milestones payments								$ 7,700
Harvard and Dana-Farber Agreement [Member] | Diagnostic Product [Member]
Other Commitments [Line Items]
Aggregate milestones payments								$ 700
Harvard and Dana-Farber Agreement [Member] | License [Member]
Other Commitments [Line Items]
Annual license maintenance fees							$ 35
Harvard and Dana-Farber Agreement [Member] | License and Maintenance [Member]
Other Commitments [Line Items]
Annual license maintenance fees					$ 18	$ 0	$ 110
Operating Lease Agreement [Member]
Other Commitments [Line Items]
Area of land | ft²	6,455
Lease expiration date	Mar. 31, 2024
UTHSCT Agreement [Member] | Common Stock [Member]
Other Commitments [Line Items]
Shares granted in consideration | shares		4,000,000		2,000,000
UTHSCT Agreement [Member] | Non-convertible preferred stock [Member]
Other Commitments [Line Items]
Shares granted in consideration | shares		400,000		400,000
MUSC Agreement [Member] | License [Member]
Other Commitments [Line Items]
Annual license maintenance fees					$ 25	$ 0
Vivarta Therapeutics LLC [Member]
Other Commitments [Line Items]
License fee on agreement effective date			$ 10,000
License fee on receipt of positive freedom to operate analysis from legal counsel			$ 40,000
Vivarta Therapeutics LLC [Member] | Common Stock [Member]
Other Commitments [Line Items]
Issuance of common stock warrant | shares			75,000
Warrant per share | $ / shares			$ 0.12