Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 60,901	$ 22,397
Short-term investments	89,195	106,823
Prepaid expenses and other current assets	2,374	2,276
Total current assets	152,470	131,496
Property and equipment, net	245	242
Operating lease right-of-use assets	811	1,003
Other long-term assets	2,229	2,560
Total assets	155,755	135,301
Current liabilities:
Accounts payable	5,529	2,575
Accrued and other current liabilities	7,376	4,822
Operating lease liabilities	379	385
Total current liabilities	13,284	7,782
Operating lease liabilities, net of current portion	476	705
Other liabilities	69	71
Total liabilities	13,829	8,558
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of June 30, 2023 and December 31, 2022, respectively; no shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively
Common stock, $0.0001 par value; 150,000,000 shares authorized at June 30, 2023 and December 31, 2022, respectively; 27,601,098 and 24,722,974 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	3	2
Additional paid-in capital	265,594	215,110
Accumulated other comprehensive loss	(223)	(466)
Accumulated deficit	(123,448)	(87,903)
Total stockholders' equity	141,926	126,743
Total liabilities and stockholders' equity	$ 155,755	$ 135,301