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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 678,393 $ 126,266
Short-term investments 8,144 407,491
Accounts receivable, net ($4,127 and $4,845 from a related party) 41,883 28,455
Inventories 16,530 6,887
Prepaid expenses and other current assets ($889 and $125,210 from related parties) 10,160 133,391
Total current assets 755,110 702,490
Restricted time deposits 2,072 2,072
Long-term investments 244 61,118
Property and equipment, net 33,647 42,743
Finance lease right-of-use assets 29,606 39,602
Equity method investment in unconsolidated variable interest entity 2,728 0
Other assets 3,433 9,372
Total assets 826,840 857,397
Current liabilities:    
Accounts payable ($1,118 and $0 to a related party) 24,789 6,088
Accrued and other current liabilities ($24 and $36,883 to a related party) 119,521 83,816
Deferred revenue ($2,907 and $249 to a related party) 6,547 490
Finance lease liabilities, current 12,330 12,351
Total current liabilities 163,187 102,745
Product development obligations 18,697 16,780
Deferred revenue, net of current ($4,636 and $125 to a related party) 138,474 99,449
Finance lease liabilities, non-current 25,391 37,610
Other long-term liabilities 39,642 65,407
Total liabilities 385,391 321,991
Commitments and Contingencies (Note 9)
Stockholders’ equity:    
Preferred stock, $0.01 par value; 125,000 shares authorized; no shares issued and outstanding at December 31, 2020 and 2019 0 0
Common stock, $0.01 par value; 225,000 shares authorized at December 31, 2020 and 2019; 91,441 and 87,657 shares issued and outstanding at December 31, 2020 and 2019 914 877
Additional paid-in capital 1,399,774 1,300,725
Accumulated other comprehensive loss (4,499) (747)
Accumulated deficit (974,011) (784,720)
Total stockholders’ equity 422,178 516,135
Non-controlling interests 19,271 19,271
Total equity 441,449 535,406
Total liabilities, stockholders’ equity and non-controlling interests $ 826,840 $ 857,397