UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands |
Common stock |
Additional paid in capital |
Accumulated foreign currency translation adjustments |
Accumulated unrealized gains (losses) on available-for-sale debt securities |
Accumulated deficit |
Total |
Balance at the beginning of the period, shares at Dec. 31, 2018 |
627,454,270
|
|
|
|
|
|
Balance at the beginning of the period at Dec. 31, 2018 |
$ 939
|
$ 574,208
|
$ (9,607)
|
$ (156)
|
$ (318,499)
|
$ 246,885
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(27,412)
|
(27,412)
|
Issuance of shares upon exercise of stock options |
$ 1
|
35
|
|
|
|
36
|
Issuance of shares upon exercise of stock options (in shares) |
840,432
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
(3,543)
|
|
|
(3,543)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
210
|
|
210
|
Share-based compensation expense |
|
3,479
|
|
|
|
3,479
|
Balance at the end of the period at Mar. 31, 2019 |
$ 940
|
577,722
|
(13,150)
|
54
|
(345,911)
|
219,655
|
Balance at the end of the period, shares at Mar. 31, 2019 |
628,294,702
|
|
|
|
|
|
Balance at the beginning of the period, shares at Dec. 31, 2018 |
627,454,270
|
|
|
|
|
|
Balance at the beginning of the period at Dec. 31, 2018 |
$ 939
|
574,208
|
(9,607)
|
(156)
|
(318,499)
|
246,885
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
|
(107,801)
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
|
|
|
7,916
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
|
|
|
(8,388)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
|
|
223
|
Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, net of tax of $0 |
|
|
|
|
|
(13)
|
Balance at the end of the period at Sep. 30, 2019 |
$ 943
|
583,065
|
(10,079)
|
54
|
(426,300)
|
147,683
|
Balance at the end of the period, shares at Sep. 30, 2019 |
630,952,736
|
|
|
|
|
|
Balance at the beginning of the period, shares at Mar. 31, 2019 |
628,294,702
|
|
|
|
|
|
Balance at the beginning of the period at Mar. 31, 2019 |
$ 940
|
577,722
|
(13,150)
|
54
|
(345,911)
|
219,655
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(41,087)
|
(41,087)
|
Issuance of shares upon exercise of stock options |
$ 3
|
327
|
|
|
|
330
|
Issuance of shares upon exercise of stock options (in shares) |
2,377,876
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
4,842
|
|
|
4,842
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
68
|
|
68
|
Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, net of tax of $0 |
|
|
|
(13)
|
|
(13)
|
Share-based compensation expense |
|
3,196
|
|
|
|
3,196
|
Balance at the end of the period at Jun. 30, 2019 |
$ 943
|
581,245
|
(8,308)
|
109
|
(386,998)
|
186,991
|
Balance at the end of the period, shares at Jun. 30, 2019 |
630,672,578
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(39,302)
|
(39,302)
|
Issuance of shares upon exercise of stock options (in shares) |
280,158
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
6,617
|
|
|
6,617
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
(8,388)
|
|
|
(8,388)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
(55)
|
|
(55)
|
Share-based compensation expense |
|
1,820
|
|
|
|
1,820
|
Balance at the end of the period at Sep. 30, 2019 |
$ 943
|
583,065
|
(10,079)
|
54
|
(426,300)
|
$ 147,683
|
Balance at the end of the period, shares at Sep. 30, 2019 |
630,952,736
|
|
|
|
|
|
Balance at the beginning of the period, shares at Dec. 31, 2019 |
631,003,568
|
|
|
|
|
631,003,568
|
Balance at the beginning of the period at Dec. 31, 2019 |
$ 943
|
585,623
|
(7,302)
|
38
|
(455,664)
|
$ 123,638
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(28,167)
|
(28,167)
|
Issuance of shares upon exercise of stock options |
$ 6
|
888
|
|
|
|
894
|
Issuance of shares upon exercise of stock options (in shares) |
4,610,772
|
|
|
|
|
|
Issuance of shares upon completion of public offering, net of issuance costs |
$ 190
|
90,360
|
|
|
|
90,550
|
Issuance of shares upon completion of public offering, net of issuance costs (in shares) |
144,900,000
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
17,911
|
|
|
17,911
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
(19,651)
|
|
|
(19,651)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
(586)
|
|
(586)
|
Share-based compensation expense |
|
1,448
|
|
|
|
1,448
|
Balance at the end of the period at Mar. 31, 2020 |
$ 1,139
|
678,319
|
(9,042)
|
(548)
|
(483,831)
|
$ 186,037
|
Balance at the end of the period, shares at Mar. 31, 2020 |
780,514,340
|
|
|
|
|
|
Balance at the beginning of the period, shares at Dec. 31, 2019 |
631,003,568
|
|
|
|
|
631,003,568
|
Balance at the beginning of the period at Dec. 31, 2019 |
$ 943
|
585,623
|
(7,302)
|
38
|
(455,664)
|
$ 123,638
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
|
(93,479)
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
|
|
|
3,583
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
|
|
|
(5,061)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
|
|
324
|
Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, net of tax of $0 |
|
|
|
|
|
(76)
|
Balance at the end of the period at Sep. 30, 2020 |
$ 1,325
|
932,518
|
(8,780)
|
286
|
(549,143)
|
$ 376,206
|
Balance at the end of the period, shares at Sep. 30, 2020 |
928,525,410
|
|
|
|
|
928,525,410
|
Balance at the beginning of the period, shares at Mar. 31, 2020 |
780,514,340
|
|
|
|
|
|
Balance at the beginning of the period at Mar. 31, 2020 |
$ 1,139
|
678,319
|
(9,042)
|
(548)
|
(483,831)
|
$ 186,037
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(29,880)
|
(29,880)
|
Issuance of shares upon exercise of stock options |
$ 7
|
4,174
|
|
|
|
4,181
|
Issuance of shares upon exercise of stock options (in shares) |
5,704,606
|
|
|
|
|
|
Issuance of shares upon completion of public offering, net of issuance costs |
$ 178
|
243,660
|
|
|
|
243,838
|
Issuance of shares upon completion of public offering, net of issuance costs (in shares) |
141,450,000
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
1,194
|
|
|
1,194
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
(1,108)
|
|
|
(1,108)
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
699
|
|
699
|
Share-based compensation expense |
|
2,624
|
|
|
|
2,624
|
Balance at the end of the period at Jun. 30, 2020 |
$ 1,324
|
928,777
|
(8,956)
|
151
|
(513,711)
|
407,585
|
Balance at the end of the period, shares at Jun. 30, 2020 |
927,668,946
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
Net loss |
|
|
|
|
(35,432)
|
(35,432)
|
Issuance of shares upon exercise of stock options |
$ 1
|
461
|
|
|
|
462
|
Issuance of shares upon exercise of stock options (in shares) |
856,464
|
|
|
|
|
|
Other comprehensive loss before reclassifications |
|
|
|
|
|
|
Foreign currency translation adjustments |
|
|
(15,522)
|
|
|
(15,522)
|
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0 |
|
|
15,698
|
|
|
15,698
|
Unrealized holding gains on available-for-sale debt securities, net of tax |
|
|
|
211
|
|
211
|
Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, net of tax of $0 |
|
|
|
(76)
|
|
(76)
|
Share-based compensation expense |
|
3,280
|
|
|
|
3,280
|
Balance at the end of the period at Sep. 30, 2020 |
$ 1,325
|
$ 932,518
|
$ (8,780)
|
$ 286
|
$ (549,143)
|
$ 376,206
|
Balance at the end of the period, shares at Sep. 30, 2020 |
928,525,410
|
|
|
|
|
928,525,410
|