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v3.19.1

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Non-Controlling Interest [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balances at Dec. 31, 2017 | $ 187,900 | $ 856 | $ 682,809 | $ (495,479) | $ (286) |
Beginning Balances, shares at Dec. 31, 2017 |  | 85,598,534 |  |  |  |
Cumulative-effect adjustment | Topic 606 [Member] | 1,117 |  |  | 1,117 |  |
Issuance of common stock upon exercise of stock options and in connection with restricted stock units, net of tax | 10,584 | $ 14 | 10,570 |  |  |
Issuance of common stock upon exercise of stock options and in connection with restricted stock units, net of tax, shares |  | 1,442,674 |  |  |  |
Stock-based compensation | 3,050 |  | 3,050 |  |  |
Net unrealized gain (loss) on marketable securities | (99) |  |  |  | (99) |
Net loss | (20,187) |  |  | (20,187) |  |
Ending Balances at Mar. 31, 2018 | 182,365 | $ 870 | 696,429 | (514,549) | (385) |
Ending Balances, shares at Mar. 31, 2018 |  | 87,041,208 |  |  |  |
Beginning Balances at Dec. 31, 2018 | 367,257 | $ 1,022 | 929,632 | (562,696) | (1,440) | $ 739
Beginning Balances, shares at Dec. 31, 2018 |  | 102,187,471 |  |  |  |
Cumulative-effect adjustment | Topic 842 [Member] | 897 |  |  | 897 |  |
Issuance of common stock upon exercise of stock options and in connection with restricted stock units, net of tax | 216 | $ 1 | 215 |  |  |
Issuance of common stock upon exercise of stock options and in connection with restricted stock units, net of tax, shares |  | 141,281 |  |  |  |
Issuance costs related to public offering | (258) |  | (258) |  |  |
Stock-based compensation | 4,523 |  | 4,523 |  |  |
Foreign currency translation adjustment | (1,504) |  |  |  | (1,504) |
Net unrealized gain (loss) on marketable securities | 253 |  |  |  | 253 |
Net loss | (42,203) |  |  | (42,150) |  | (53)
Ending Balances at Mar. 31, 2019 | $ 329,181 | $ 1,023 | $ 934,112 | $ (603,949) | $ (2,691) | $ 686
Ending Balances, shares at Mar. 31, 2019 |  | 102,328,752 |  |  |  |

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