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CONDENSED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 22,019 $ 26,630
Marketable securities 108,604 133,281
Prepaid expenses and other current assets 4,676 4,072
Total current assets 135,299 163,983
Property and equipment, net 10,511 11,897
Right of use assets 4,712 5,016
Other assets 2,858 3,265
Total assets 153,380 184,161
Current liabilities:    
Accounts payable 2,813 4,270
Accrued liabilities and other liabilities 5,007 4,857
Total current liabilities 7,820 9,127
Lease liabilities, long term 6,287 6,605
Other long-term liabilities 843 899
Total liabilities 14,950 16,631
Stockholders' equity    
Preferred stock; par value of $0.001 per share; 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, par value of $0.001 per share; 100,000,000 shares authorized at June 30, 2023 and December 31, 2022. 27,839,968 and 27,774,536 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively 28 28
Additional paid-in capital 435,041 430,755
Accumulated other comprehensive loss (925) (1,494)
Accumulated deficit (295,714) (261,759)
Total stockholders' equity 138,430 167,530
Total liabilities and stockholders' equity $ 153,380 $ 184,161