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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 57,252 $ 59,968
Marketable securities 276,387 306,165
Accounts receivable   2,000
Restricted cash   567
Prepaid expenses and other current assets 9,361 6,572
Total current assets 343,000 375,272
Property and equipment, net 11,106 10,884
Operating lease right-of-use assets 46,225 46,886
Restricted cash, net of current portion 3,423 3,423
Other assets 19 5
Total assets 403,773 436,470
Current liabilities:    
Accounts payable 6,296 4,453
Accrued expenses and other current liabilities 10,692 17,495
Operating lease liabilities 2,638 1,770
Deferred revenue 34,011 31,792
Income tax payable 35 35
Total current liabilities 53,672 55,545
Operating lease liabilities, net of current portion 38,735 39,361
Deferred revenue, net of current portion 84,102 92,088
Total liabilities 176,509 186,994
Commitments and contingencies (Note 7)
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively
Stockholders' equity:    
Common stock, $0.001 par value; 200,000,000 shares authorized at March 31, 2023 and December 31, 2022; 88,209,964 and 88,179,374 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively 88 88
Additional paid-in capital 526,897 522,605
Accumulated other comprehensive loss (2,201) (3,705)
Accumulated deficit (297,520) (269,512)
Total stockholders' equity 227,264 249,476
Total liabilities and stockholders' equity $ 403,773 $ 436,470