v3.19.3.a.u2

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Cumulative-effect of accounting change |  |  | $ 148 | $ (148) |
Adjusted balance | $ 195,237 | $ 47 | 371,603 | (176,413) | $ 0
Balance at Dec. 31, 2016 | 195,237 | $ 47 | 371,455 | (176,265) | 0
Balance (in shares) at Dec. 31, 2016 |  | 47,151,635 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Issuance of common stock in connection with a public offering of common stock, net of offering costs | 189,456 | $ 4 | 189,452 |  |
Issuance of common stock award (in shares) |  | 4,047,500 |  |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings | (1,309) | $ 1 | (1,310) |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (in shares) |  | 459,900 |  |  |
Exercise of stock options | 6,615 | $ 1 | 6,614 |  |
Exercise of stock options (in shares) |  | 846,821 |  |  |
Issuance of common stock in connection with employee stock purchase plan | 21,930 |  | 21,930 |  |
Net loss | (29,423) |  |  | (29,423) |
Foreign currency translation adjustment | 5,326 |  |  | 0 | 5,326
Balance at Dec. 31, 2017 | 387,832 | $ 53 | 588,289 | (205,836) | 5,326
Balance (in shares) at Dec. 31, 2017 |  | 52,505,856 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Issuance of common stock in connection with a public offering of common stock, net of offering costs | 330,901 | $ 4 | 330,897 |  |
Issuance of common stock award (in shares) |  | 3,833,334 |  |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings | (3,451) | $ 0 | (3,451) |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (in shares) |  | 553,159 |  |  |
Exercise of stock options | 7,366 | $ 1 | 7,365 |  |
Exercise of stock options (in shares) |  | 1,012,473 |  |  |
Issuance of common stock in connection with employee stock purchase plan | 31,410 |  | 31,410 |  |
Issuance of common stock in connection with employee stock purchase plan | 3,121 |  | 3,121 |  |
Issuance of common stock in connection with employee stock purchase plan (in shares) |  | 63,671 |  |  |
Net loss | (38,330) |  |  | (38,330) |
Foreign currency translation adjustment | (13,840) |  |  |  | (13,840)
Balance at Dec. 31, 2018 | $ 705,009 | $ 58 | 957,631 | (244,166) | (8,514)
Balance (in shares) at Dec. 31, 2018 | 57,968,493 | 57,968,493 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Issuance of common stock in connection with a public offering of common stock, net of offering costs | $ 184,322 | $ 5 | 184,317 |  |
Issuance of common stock award (in shares) |  | 4,608,101 |  |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings | (2,574) |  | (2,574) |  |
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (in shares) |  | 502,795 |  |  |
Exercise of stock options | 3,119 |  | 3,119 |  |
Exercise of stock options (in shares) |  | 361,134 |  |  |
Issuance of common stock in connection with employee stock purchase plan | 51,504 |  | 51,504 |  |
Issuance of common stock in connection with employee stock purchase plan | 3,382 |  | 3,382 |  |
Issuance of common stock in connection with employee stock purchase plan (in shares) |  | 123,365 |  |  |
Issuance of common stock award (in shares) |  | 5,221 |  |  |
Net loss | (235,222) |  |  | (235,222) |
Foreign currency translation adjustment | 1,710 |  |  |  | 1,710
Balance at Dec. 31, 2019 | $ 711,250 | $ 63 | $ 1,197,379 | $ (479,388) | $ (6,804)
Balance (in shares) at Dec. 31, 2019 | 63,569,109 | 63,569,109 |  |  |

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