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v3.20.2

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Warrants | Other Comprehensive Gain (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2018 |  | 189,383,924 |  |  |  |
Balance at Dec. 31, 2018 | $ 342,912 | $ 1,942 | $ 1,740,061 | $ 13,063 | $ 68 | $ (1,412,222)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock issued from exercise of stock options, net (in shares) |  | 1,352,623 |  |  |  |
Stock issued from exercise of stock options, net | 7,808 | $ 13 | 7,795 |  |  |
Stock issued from equity financing (in shares) |  | 18,720,930 |  |  |  |
Stock issued from equity financing | 188,994 | $ 187 | 188,807 |  |  |
Restricted stock tax vesting (in shares) |  | 445,956 |  |  |  |
Restricted stock tax vesting | (3,001) |  | (3,001) |  |  |
Stock issued for contingent consideration (in shares) |  | 771,804 |  |  |  |
Stock issued for contingent consideration | 9,316 | $ 8 | 9,308 |  |  |
Stock-based compensation | 31,522 |  | 31,522 |  |  |
Warrants exercised (in shares) |  | 101,787 |  |  |  |
Warrants exercised | 812 | $ 1 | 1,487 | (676) |  |
Equity component of the convertible notes (in shares) |  | 43,995,139 |  |  |  |
Equity component of the convertible notes | 215,476 | $ 440 | 215,036 |  |  |
Termination of capped call confirmations | 19,875 |  | 19,875 |  |  |
Unrealized holding gain (loss) on available-for-sale securities | 551 |  |  |  | 551 |
Foreign currency translation adjustment | 661 |  |  |  | 661 |
Net loss | (266,659) |  |  |  |  | (266,659)
Balance (in shares) at Sep. 30, 2019 |  | 254,772,163 |  |  |  |
Balance at Sep. 30, 2019 | 548,267 | $ 2,591 | 2,210,890 | 12,387 | 1,280 | (1,678,881)
Balance (in shares) at Jun. 30, 2019 |  | 254,513,522 |  |  |  |
Balance at Jun. 30, 2019 | 600,058 | $ 2,589 | 2,201,447 | 12,387 | 707 | (1,617,072)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock issued from exercise of stock options, net (in shares) |  | 212,995 |  |  |  |
Stock issued from exercise of stock options, net | 1,048 | $ 2 | 1,046 |  |  |
Restricted stock tax vesting (in shares) |  | 45,646 |  |  |  |
Restricted stock tax vesting | (446) |  | (446) |  |  |
Stock-based compensation | 8,843 |  | 8,843 |  |  |
Unrealized holding gain (loss) on available-for-sale securities | (11) |  |  |  | (11) |
Foreign currency translation adjustment | 584 |  |  |  | 584 |
Net loss | (61,809) |  |  |  |  | (61,809)
Balance (in shares) at Sep. 30, 2019 |  | 254,772,163 |  |  |  |
Balance at Sep. 30, 2019 | $ 548,267 | $ 2,591 | 2,210,890 | 12,387 | 1,280 | (1,678,881)
Balance (in shares) at Dec. 31, 2019 | 255,417,869 | 255,417,869 |  |  |  |
Balance at Dec. 31, 2019 | $ 476,425 | $ 2,598 | 2,227,225 | 12,387 | 2,825 | (1,768,610)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock issued from exercise of stock options, net (in shares) |  | 2,832,310 |  |  |  |
Stock issued from exercise of stock options, net | 20,028 | $ 28 | 20,000 |  |  |
Restricted stock tax vesting (in shares) |  | 1,350,471 |  |  |  |
Restricted stock tax vesting | (9,340) |  | (9,340) |  |  |
Stock-based compensation | 36,912 |  | 36,912 |  |  |
Unrealized holding gain (loss) on available-for-sale securities | (96) |  |  |  | (96) |
Foreign currency translation adjustment | 1,791 |  |  |  | 1,791 |
Net loss | $ (205,451) |  |  |  |  | (205,451)
Balance (in shares) at Sep. 30, 2020 | 259,600,650 | 259,600,650 |  |  |  |
Balance at Sep. 30, 2020 | $ 320,269 | $ 2,626 | 2,274,797 | 12,387 | 4,520 | (1,974,061)
Balance (in shares) at Jun. 30, 2020 |  | 258,223,842 |  |  |  |
Balance at Jun. 30, 2020 | 360,953 | $ 2,614 | 2,250,849 | 12,387 | 5,153 | (1,910,050)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Stock issued from exercise of stock options, net (in shares) |  | 1,223,075 |  |  |  |
Stock issued from exercise of stock options, net | 9,295 | $ 12 | 9,283 |  |  |
Restricted stock tax vesting (in shares) |  | 153,733 |  |  |  |
Restricted stock tax vesting | (1,243) |  | (1,243) |  |  |
Stock-based compensation | 15,908 |  | 15,908 |  |  |
Unrealized holding gain (loss) on available-for-sale securities | (344) |  |  |  | (344) |
Foreign currency translation adjustment | (289) |  |  |  | (289) |
Net loss | $ (64,011) |  |  |  |  | (64,011)
Balance (in shares) at Sep. 30, 2020 | 259,600,650 | 259,600,650 |  |  |  |
Balance at Sep. 30, 2020 | $ 320,269 | $ 2,626 | $ 2,274,797 | $ 12,387 | $ 4,520 | $ (1,974,061)

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