v3.21.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 98,786 $ 25,218
Marketable securities, current 103,498 68,667
Prepaid expenses 6,178 6,080
Accounts receivable, related party 0 234
Other current assets 719 1,125
Total current assets 209,181 101,324
Marketable securities, non-current 5,115 0
Operating lease right-of-use assets 10,625 11,104
Property and equipment, net 21,707 22,254
Other assets 5,146 5,195
Total assets 251,774 139,877
Current liabilities:    
Accounts payable 1,804 2,350
Accrued liabilities 9,801 12,575
Deferred revenue, current 49,453 14,014
Deferred revenue, current, related party 1,072 789
Other current liabilities, related party 12,060 5,614
Other current liabilities 2,386 2,211
Total current liabilities 76,576 37,553
Deferred revenue, long-term 36,117 4,538
Deferred revenue, long-term, related party 2,586 3,106
Long-term debt, net of current portion 15,031 14,926
Operating lease liabilities 11,586 12,213
Other liabilities, related party 0 6,711
Other liabilities 1,523 1,490
Total liabilities 143,419 80,537
Commitments and contingencies (Note 10) 0 0
Stockholders’ equity    
Preferred stock, $0.001 par value: Authorized: 2,000,000 shares at March 31, 2020 and December 31, 2019; issued and outstanding: 250 shares at March 31, 2020 and December 31, 2019 0 0
Common stock, $0.001 par value: Authorized: 150,000,000 shares at March 31, 2021 and December 31, 2020; issued and outstanding: 56,082,931 shares at March 31, 2021 and 49,984,333 shares at December 31, 2020 56 50
Additional paid-in capital 404,116 328,314
Accumulated other comprehensive income 2 17
Accumulated deficit (295,819) (269,041)
Total stockholders’ equity 108,355 59,340
Total liabilities and stockholders’ equity $ 251,774 $ 139,877

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