CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 55,140	$ 34,273
Collaboration revenue receivable	0	388
Unbilled receivable	173	99
Prepaid expenses and other assets	1,464	4,355
Total current assets	56,777	39,115
Property and equipment, net	3,688	3,887
Operating lease right-of-use asset	1,300	1,443
Other non-current assets	436	276
Total assets	62,201	44,721
Current liabilities:
Accounts payable	2,057	507
Accrued expenses and other current liabilities	3,365	2,655
Operating lease liability	309	297
Total current liabilities	5,731	3,459
Operating lease liability	1,070	1,229
Total liabilities	6,801	4,688
Commitments and Contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of June 30, 2023 and December 31, 2022	0	0
Common stock, $0.0001 par value; 200,000,000 authorized; 41,957,197 shares issued and 41,852,053 shares outstanding as of June 30, 2023 and 41,199,197 shares issued and 41,094,053 shares outstanding as of December 31, 2022	4	4
Treasury stock, at cost, 105,144 shares as of June 30, 2023 and December 31, 2022	0	0
Additional paid-in capital	236,428	203,482
Accumulated deficit	(181,032)	(163,453)
Total stockholders’ equity	55,400	40,033
Total liabilities and stockholders’ equity	$ 62,201	$ 44,721