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BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 13,082 $ 26,630
Marketable securities 95,217 133,281
Prepaid expenses and other current assets 4,426 4,072
Total current assets 112,725 163,983
Property and equipment, net 9,033 11,897
Right of use assets 4,398 5,016
Other assets 1,882 3,265
Total assets 128,038 184,161
Current liabilities:    
Accounts payable 2,330 4,270
Accrued liabilities and other liabilities 4,553 4,857
Total current liabilities 6,883 9,127
Lease liabilities, long term 5,949 6,605
Other long-term liabilities 785 899
Total liabilities 13,617 16,631
Stockholders' equity    
Preferred stock; par value of $0.001 per share; 10,000,000 shares authorized at December 31, 2023 and December 31, 2022, No shares issued and outstanding at December 31, 2023 and December 31, 2022
Common stock, par value of $0.001 per share; 100,000,000 shares authorized at December 31, 2023 and December 31, 2022. 27,903,027 and 27,774,536 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively 28 28
Additional paid-in capital 439,097 430,755
Accumulated other comprehensive loss (222) (1,494)
Accumulated deficit (324,482) (261,759)
Total stockholders' equity 114,421 167,530
Total liabilities and stockholders' equity $ 128,038 $ 184,161