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v3.21.2

Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 1,541 | $ 877,300 | $ 39 | $ (840,628) | $ 38,252
Net loss | 0 | 0 | 0 | (37,599) | (37,599)
Other comprehensive income (loss) | 0 | 0 | (25) | 0 | (25)
Exercise of stock options, net | 1 | 265 | 0 | 0 | 266
Stock-based compensation expense | 0 | 2,754 | 0 | 0 | 2,754
Balance at Mar. 31, 2020 | 1,542 | 880,319 | 14 | (878,227) | 3,648
Balance at Dec. 31, 2019 | 1,541 | 877,300 | 39 | (840,628) | 38,252
Net loss |  |  |  |  | (122,321)
Balance at Sep. 30, 2020 | 1,766 | 994,811 | 9 | (962,949) | 33,637
Balance at Mar. 31, 2020 | 1,542 | 880,319 | 14 | (878,227) | 3,648
Net loss | 0 | 0 | 0 | (38,607) | (38,607)
Other comprehensive income (loss) | 0 | 0 | (11) | 0 | (11)
Exercise of stock options, net | 2 | 530 | 0 | 0 | 532
Stock-based compensation expense | 0 | 3,280 | 0 | 0 | 3,280
Issuance of common stock, net | 220 | 92,628 | 0 | 0 | 92,848
Issuance of pre-funded warrants | 0 | 14,817 | 0 | 0 | 14,817
Balance at Jun. 30, 2020 | 1,764 | 991,574 | 3 | (916,834) | 76,507
Net loss | 0 | 0 | 0 | (46,115) | (46,115)
Other comprehensive income (loss) | 0 | 0 | 6 | 0 | 6
Exercise of stock options, net | 2 | 364 | 0 | 0 | 366
Stock-based compensation expense | 0 | 2,873 | 0 | 0 | 2,873
Balance at Sep. 30, 2020 | 1,766 | 994,811 | 9 | (962,949) | 33,637
Balance at Dec. 31, 2020 | 1,769 | 1,002,408 | 3 | (1,023,442) | (19,262)
Net loss | 0 | 0 | 0 | (64,284) | (64,284)
Other comprehensive income (loss) | 0 | 0 | 179 | 0 | 179
Employee stock purchase plan | 2 | 721 | 0 | 0 | 723
Exercise of stock options, net | 6 | 2,171 | 0 | 0 | 2,177
Stock-based compensation expense | 0 | 5,479 | 0 | 0 | 5,479
Balance at Mar. 31, 2021 | 1,777 | 1,010,779 | 182 | (1,087,726) | (74,988)
Balance at Dec. 31, 2020 | 1,769 | 1,002,408 | 3 | (1,023,442) | (19,262)
Net loss |  |  |  |  | (166,283)
Balance at Sep. 30, 2021 | 1,798 | 1,040,769 | 114 | (1,189,725) | (147,044)
Balance at Mar. 31, 2021 | 1,777 | 1,010,779 | 182 | (1,087,726) | (74,988)
Net loss | 0 | 0 | 0 | (43,198) | (43,198)
Other comprehensive income (loss) | 0 | 0 | (95) | 0 | (95)
Exercise of stock options, net | 10 | 4,564 | 0 | 0 | 4,574
Stock-based compensation expense | 0 | 7,632 | 0 | 0 | 7,632
Balance at Jun. 30, 2021 | 1,787 | 1,022,975 | 87 | (1,130,924) | (106,075)
Net loss | 0 | 0 | 0 | (58,801) | (58,801)
Other comprehensive income (loss) | 0 | 0 | 27 | 0 | 27
Employee stock purchase plan | 1 | 1,240 | 0 | 0 | 1,241
Exercise of stock options, net | 10 | 3,525 | 0 | 0 | 3,535
Stock-based compensation expense | 0 | 13,029 | 0 | 0 | 13,029
Balance at Sep. 30, 2021 | $ 1,798 | $ 1,040,769 | $ 114 | $ (1,189,725) | $ (147,044)

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