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CONDENSED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 40,812 $ 27,219
Short-term investments 54,446 68,840
Prepaid expenses and other current assets 2,935 2,509
Right-of-use asset, net 13 53
Total current assets 98,206 98,621
Long-term investments   3,219
Other assets, long-term 720 720
Total assets 98,926 102,560
Current liabilities:    
Accounts payable 3,131 2,122
Accrued compensation 1,571 2,168
Accrued liabilities 6,443 2,837
Operating lease liabilities 13 53
Options subject to repurchase, short-term 3 6
Total current liabilities 11,161 7,186
Options subject to repurchase, long-term 1 2
Total liabilities 11,162 7,188
Commitments and contingencies (Note 7)
Stockholders' equity:    
Preferred stock, $0.00001 par value; 10,000,000 shares authorized at June 30, 2023 and December 31, 2022; no shares issued and outstanding at June 30, 2023 and December 31, 2022
Common stock, $0.00001 par value; 500,000,000 shares authorized at June 30, 2023 and December 31, 2022; 21,928,452 and 19,402,658 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively
Additional paid-in capital 208,733 185,469
Accumulated other comprehensive loss (119) (374)
Accumulated deficit (120,850) (89,723)
Total stockholders' equity 87,764 95,372
Total liabilities and stockholders' equity $ 98,926 $ 102,560