Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

v3.20.1
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 of $0       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, 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 of $979) $ 190 90,360       90,550
Issuance of shares upon completion of public offering (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 of $0       (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         780,514,340