Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 39,586	$ 24,127
Marketable debt securities	25,994	60,243
Prepaid expenses and other current assets	3,125	1,776
Total current assets	68,705	86,146
Restricted cash, non-current	745	745
Marketable debt securities, non-current		17,886
Property and equipment, net	1,296	1,592
Operating lease right-of-use asset	5,264	6,277
Other assets	2,944	644
Total assets	78,954	113,290
Current liabilities:
Accounts payable	2,434	1,586
Accrued expenses	2,732	3,237
Operating lease liability	983	917
Total current liabilities	6,149	5,740
Operating lease liability, non-current	4,484	5,467
Total liabilities	10,633	11,207
Commitments and contingencies (Note 10)
Stockholders’ Equity:
Preferred stock, $0.001 par value, authorized 10,000,000 shares: Series 1 convertible preferred stock, 8,028 shares authorized at December 31, 2023 and 2022, 7,991 and 8,027 shares issued and outstanding as of December 31, 2023 and 2022, respectively.
Common stock, $0.001 par value, authorized 100,000,000 shares: Common stock, 11,364,903 and 11,267,389 shares issued and outstanding as of December 31, 2023 and 2022, respectively.	11	11
Additional paid in capital	268,725	262,724
Accumulated deficit	(200,384)	(159,964)
Accumulated other comprehensive income (loss)	(31)	(688)
Total stockholders’ equity	68,321	102,083
Total liabilities and stockholders’ equity	$ 78,954	$ 113,290