Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 28,137	$ 54,197
Short-term investments	132,935	113,178
Prepaid expenses and other current assets (Note 4)	4,813	6,958
Total current assets	165,885	174,333
Property and equipment, net	288	186
Operating lease right-of-use asset	499	542
Other long-term assets	327	302
Total assets	166,999	175,363
Current liabilities:
Accounts payable (including related party amounts of $4 and $2, respectively)	2,863	1,208
Accrued and other current liabilities (Note 4)	1,647	1,150
Operating lease liability	193	192
Total current liabilities	4,703	2,550
Operating lease liabilities, net of current portion	335	382
Other liabilities	14	13
Total liabilities	5,052	2,945
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized and no issued or outstanding as of March 31, 2022 and December 31, 2021
Common stock, $0.0001 par value; 150,000,000 shares authorized at March 31, 2022 and December 31, 2021; 24,410,393 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	2	2
Additional paid-in capital	209,891	208,867
Accumulated other comprehensive loss	(644)	(59)
Accumulated deficit	(47,302)	(36,392)
Total stockholders’ equity	161,947	172,418
Total liabilities and stockholders’ equity	$ 166,999	$ 175,363