Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2023

Summary of significant accounting policies

Schedule of reconciliation of the components of cash and restricted cash reported in balance sheet

(in thousands)	December 31, 2023		December 31, 2022
Cash and cash equivalents	$	98,679	$	20,323
Restricted cash		100		100
	$	98,779	$	20,423

Schedule of useful lives of property and equipment

Asset category	Estimates useful life
Lab equipment	5 years
Leasehold improvements	Lesser of lease term or 5 years
Computer equipment	3 years
Office equipment	5 years
Furniture and fixtures	5 years

Schedule of assets and liabilities measured at fair value on a recurring basis

	Level 1		Level 2		Level 3		Total Fair Value
December 31, 2023
Assets:
Cash equivalents – money market funds	$	73,988	$	—	$	—	$	73,988
Cash equivalents – short-term U.S. Treasury securities		—		22,993		—		22,993
Marketable securities – U.S. Treasury securities		—		39,463		—		39,463
Total	$	73,988	$	62,456	$	—	$	136,444
December 31, 2022
Assets:
Cash equivalents – money market funds	$	20,013	$	—	$	—	$	20,013

Summary of available-for-sale marketable securities

		Amortized Cost		Unrealized Gain		Unrealized Loss		Fair Value
December 31, 2023
U.S. Treasury securities	$	39,441	$	22	$	—	$	39,463

Schedule of potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive

	Year ended December 31,
	2023	2022
Stock options(1)	7,978,291	2,519,405
Common stock warrants(1)	500,000	1,303,112
	8,478,291	3,822,517