XML 37 R2.htm IDEA: XBRL DOCUMENT v3.20.4
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 49,969 $ 89,641
Marketable securities 363,339 263,432
Prepaid expenses and other current assets 8,203 4,364
Total current assets 421,511 357,437
Property and equipment, net 30,181 33,852
Operating lease right-of-use assets 32,470 28,476
Restricted cash 1,472 1,472
Other assets 2,617 676
Total assets 488,251 421,913
Current liabilities:    
Accounts payable 3,004 278
Accrued clinical supply costs 11,148 6,706
Accrued liabilities 22,538 18,256
Deferred revenue, current portion 23,886 30,165
Operating lease liabilities, current portion 7,512 6,565
Total current liabilities 68,088 61,970
Deferred revenue, long-term portion 108,417 123,236
Operating lease liabilities, long-term portion 43,744 41,471
Other long-term liabilities 472 493
Total liabilities 220,721 227,170
Commitments and contingencies (Note 5)
Stockholders' equity:    
Common stock, $0.0001 par value; 200,000,000 shares authorized; 79,316,261 and 69,052,873 shares issued and outstanding as of December 31, 2020 and 2019, respectively 8 7
Additional paid-in capital 676,956 414,414
Accumulated other comprehensive income 614 142
Accumulated deficit (410,048) (219,820)
Total stockholders' equity 267,530 194,743
Total liabilities and stockholders' equity $ 488,251 $ 421,913