Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 33,978	$ 24,127
Marketable debt securities	46,382	60,243
Prepaid expenses and other current assets	3,905	1,776
Total current assets	84,265	86,146
Restricted cash, non-current	745	745
Marketable debt securities, non-current		17,886
Property and equipment, net	1,443	1,592
Operating lease right-of-use asset	5,807	6,277
Other assets	2,881	644
Total assets	95,141	113,290
Current liabilities:
Accounts payable	1,852	1,586
Accrued expenses	2,131	3,237
Operating lease liability	949	917
Total current liabilities	4,932	5,740
Operating lease liability, non-current	4,984	5,467
Total liabilities	9,916	11,207
Commitments and contingencies (Note 8)
Stockholders’ Equity:
Preferred stock, $0.001 par value, authorized 10,000,000 shares: Series 1 Convertible Preferred Stock, 8,028 shares authorized at June 30, 2023 and December 31, 2022, 8,027 shares issued and outstanding as of June 30, 2023 and December 31, 2022.
Common stock, $0.001 par value, authorized 100,000,000 shares: Common stock, 11,307,962 and 11,267,389 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively.	11	11
Additional paid-in capital	265,853	262,724
Accumulated deficit	(180,303)	(159,964)
Accumulated other comprehensive income (loss)	(336)	(688)
Total stockholders’ equity	85,225	102,083
Total liabilities and stockholders’ equity	$ 95,141	$ 113,290