Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 26,571	$ 22,397
Short-term investments	92,358	106,823
Prepaid expenses and other current assets	1,640	2,276
Total current assets	120,569	131,496
Property and equipment, net	267	242
Operating lease right-of-use assets	908	1,003
Other long-term assets	2,649	2,560
Total assets	124,393	135,301
Current liabilities:
Accounts payable	4,726	2,575
Accrued and other current liabilities	5,538	4,822
Operating lease liabilities	373	385
Total current liabilities	10,637	7,782
Operating lease liabilities, net of current portion	591	705
Other liabilities	70	71
Total liabilities	11,298	8,558
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2023 and December 31, 2022, respectively; no shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively
Common stock, $0.0001 par value; 150,000,000 shares authorized at March 31, 2023 and December 31, 2022, respectively; 24,816,940 and 24,722,974 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	2	2
Additional paid-in capital	217,717	215,110
Accumulated other comprehensive loss	(201)	(466)
Accumulated deficit	(104,423)	(87,903)
Total stockholders' equity	113,095	126,743
Total liabilities and stockholders' equity	$ 124,393	$ 135,301