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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Current assets:    
Cash and cash equivalents $ 309,498 $ 83,267
Short-term investments, available for sale 215,522 224,083
Accounts receivable 6,074 0
Inventory 128 0
Other current assets 5,529 3,092
Total current assets 536,751 310,442
Property and equipment, net 6,954 6,271
Long-term investments, available for sale 205,768 43,490
Restricted cash 4,613 4,883
Total assets 754,086 365,086
Current liabilities:    
Accounts payable and accrued liabilities 26,809 26,182
Current portion of cease-use liability 181 236
Current portion of deferred rent 0 470
Current portion of deferred gain on sale of real estate 731 3,526
Total current liabilities 27,721 30,414
Deferred gain on sale of real estate 8,409 7,372
Deferred revenue 10,231 10,231
Deferred rent 1,693 1,462
Convertible senior notes 360,681 0
Cease-use liability 0 617
Other liabilities 113 113
Total liabilities 408,848 50,209
Commitments and contingencies
Stockholders' equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued and outstanding 0 0
Common stock, $0.001 par value; 220,000,000 shares authorized; issued and outstanding shares were 88,216,868 as of June 30, 2017 and 86,883,300 as of December 31, 2016 88 87
Additional paid-in capital 1,540,498 1,371,432
Accumulated other comprehensive loss (713) (318)
Accumulated deficit (1,194,635) (1,056,324)
Total stockholders' equity 345,238 314,877
Total liabilities and stockholders' equity $ 754,086 $ 365,086