Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 17,401	$ 17,798
Restricted cash	116	116
Short-term investments	44,997	76,979
Accounts receivable - collaboration agreement		194
Prepaid expenses	3,542	4,655
Other current assets	2,348	2,812
Total current assets	68,404	102,554
Other assets, noncurrent	1,051	1,143
Operating lease right of use assets	1,853	2,766
Property and equipment, net	5,569	6,352
Total assets	76,877	112,815
Current liabilities:
Accounts payable	1,486	36
Accrued expenses and other current liabilities	12,354	9,909
Operating lease liability, current	1,793	2,025
Total current liabilities	15,633	11,970
Operating lease liability, noncurrent	411	1,189
Other liabilities, noncurrent	1,097	989
Total liabilities	17,141	14,148
Stockholders' equity (deficit)
Preferred stock, $0.001 par value; 10,000,000 shares authorized, at June 30, 2024 and December 31, 2023, respectively, 0 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	0	0
Common stock, $0.001 par value; 490,000,000 shares authorized at June 30, 2024 and December 31, 2023, respectively, 23,128,454 and 23,099,335 shares issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	23	23
Additional paid-in capital	277,630	275,521
Accumulated other comprehensive loss	(226)	(119)
Accumulated deficit	(217,691)	(176,758)
Total stockholders' equity	59,736	98,667
Total liabilities and stockholders' equity	$ 76,877	$ 112,815