Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

v3.20.2
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 at Dec. 31, 2018 $ 939 $ 574,208 $ (9,607) $ (156) $ (318,499) $ 246,885
Balance at the beginning of the period, shares at Dec. 31, 2018 627,454,270          
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 at Dec. 31, 2018 $ 939 574,208 (9,607) (156) (318,499) 246,885
Balance at the beginning of the period, shares at Dec. 31, 2018 627,454,270          
Increase (Decrease) in Stockholders' Equity            
Net loss           (68,499)
Other comprehensive loss before reclassifications            
Foreign currency translation adjustments           1,299
Unrealized holding gains on available-for-sale debt securities, net of tax           278
Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, net of tax           (13)
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          
Balance at the beginning of the period at Mar. 31, 2019 $ 940 577,722 (13,150) 54 (345,911) 219,655
Balance at the beginning of the period, shares at Mar. 31, 2019 628,294,702          
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       (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          
Balance at the beginning of the period at Dec. 31, 2019 $ 943 585,623 (7,302) 38 (455,664) $ 123,638
Balance at the beginning of the period, shares at Dec. 31, 2019 631,003,568         631,003,568
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 at Dec. 31, 2019 $ 943 585,623 (7,302) 38 (455,664) $ 123,638
Balance at the beginning of the period, shares at Dec. 31, 2019 631,003,568         631,003,568
Increase (Decrease) in Stockholders' Equity            
Net loss           $ (58,047)
Other comprehensive loss before reclassifications            
Foreign currency translation adjustments           19,105
Foreign currency gains on intercompany loan of a long-term investment nature, net of tax of $0           (20,759)
Unrealized holding gains on available-for-sale debt securities, net of tax           113
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         927,668,946
Balance at the beginning of the period at Mar. 31, 2020 $ 1,139 678,319 (9,042) (548) (483,831) $ 186,037
Balance at the beginning of the period, shares at Mar. 31, 2020 780,514,340          
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         927,668,946