Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 29,795	$ 62,563
Marketable securities	49,231	37,628
Prepaid expenses and other current assets	3,176	9,911
Total current assets	82,202	110,102
Marketable securities, non-current	6,888	9,048
Operating lease right-of-use asset	554	834
Equipment, net	205	203
Other assets, non-current	3,009	2,028
Total assets	92,858	122,215
Current liabilities
Accounts payable	2,815	1,531
Accrued expenses and other current liabilities	4,673	3,013
Total current liabilities	7,488	4,544
Operating lease liabilities, non-current	305	448
Total liabilities	7,793	4,992
Commitments and contingencies (Note 9)
Stockholders’ equity
Preferred stock, par value of $0.00001 per share; 10,000,000 shares authorized at June 30, 2022 and December 31, 2021; no shares issued or outstanding as of June 30, 2022 and December 31, 2021
Common stock, par value of $0.00001 per share; 300,000,000 shares authorized at June 30, 2022 and December 31, 2021; 25,342,9138 and 25,261,832 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively
Additional paid-in capital	276,501	273,655
Accumulated deficit	(189,937)	(156,112)
Accumulated other comprehensive loss	(1,499)	(320)
Total stockholders’ equity	85,065	117,223
Total liabilities and stockholders' equity	$ 92,858	$ 122,215