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BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 193,650 $ 205,530
Short-term investments 0 99,696
Accounts receivable 35,986 790
Prepaid expenses and other current assets 7,466 4,285
Total current assets 237,102 310,301
Property and equipment, net 5,072 5,960
Intangible assets, net 875 1,021
Goodwill 949 949
Restricted cash 917 917
Operating lease right-of-use asset 15,949 19,362
Other assets 27 901
Total assets 260,891 339,411
Current liabilities:    
Accounts payable 2,809 2,818
Accrued liabilities 28,532 34,236
Deferred revenues, current portion 121,267 40,816
Total current liabilities 152,608 77,870
Deferred revenue, net of current portion 180,059 243,944
Operating lease liabilities - long term 13,975 18,056
Total liabilities 346,642 339,870
Commitments and contingencies (Note 10)
Stockholders' equity (deficit)    
Common stock, $0.00001 par value; 150,000,000 shares authorized, and 66,228,046 and 65,392,758 shares issued and outstanding at December 31, 2022 and 2021, respectively 1 1
Additional paid-in capital 637,117 623,344
Accumulated other comprehensive income (loss) 10 (242)
Accumulated deficit (722,879) (623,562)
Total stockholders' equity (deficit) (85,751) (459)
Total liabilities and stockholders' equity (deficit) 260,891 339,411
Convertible Preferred Stock    
Stockholders' equity (deficit)    
Convertible preferred stock, $0.00001 par value; 10,000,000 shares authorized and no shares issued and outstanding at December 31, 2022 and 2021 $ 0 $ 0