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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional paid-in capital | Treasury stock | Accumulated other comprehensive loss | Accumulated deficit | Public Offering
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2021 | $ 80,674 | $ 10 | $ 892,828 | $ (25,097) | $ (6,036) | $ (781,031) |
Balance, shares at Dec. 31, 2021 |  | 99,537 |  |  |  |  |
Stock-based compensation | 7,730 |  | 7,730 |  |  |  |
Sales agent equity incentives | 2,178 |  | 2,178 |  |  |  |
Sales agent equity incentives, shares |  | 199 |  |  |  |  |
Common stock issued for warrant exercises | 1,289 |  | 1,289 |  |  |  |
Common stock issued for warrant exercises, shares |  | 551 |  |  |  |  |
Common stock issued for stock option exercises | 140 |  | 140 |  |  |  |
Common stock issued for stock option exercises, shares |  | 39 |  |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability | (4,751) |  | (4,751) |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares |  | 852 |  |  |  |  |
Foreign currency translation adjustments | (1,204) |  |  |  | (1,204) |  |
Net loss | (42,616) |  |  |  |  | (42,616) |
Balance at Mar. 31, 2022 | 43,440 | $ 10 | 899,414 | (25,097) | (7,240) | (823,647) |
Balance, shares at Mar. 31, 2022 |  | 101,178 |  |  |  |  |
Balance at Dec. 31, 2021 | 80,674 | $ 10 | 892,828 | (25,097) | (6,036) | (781,031) |
Balance, shares at Dec. 31, 2021 |  | 99,537 |  |  |  |  |
Foreign currency translation adjustments | (11,550) |  |  |  |  |  |
Net loss | (116,510) |  |  |  |  |  |
Balance at Sep. 30, 2022 | (20,894) | $ 11 | 919,319 | (25,097) | (17,586) | (897,541) |
Balance, shares at Sep. 30, 2022 |  | 104,984 |  |  |  |  |
Balance at Mar. 31, 2022 | 43,440 | $ 10 | 899,414 | (25,097) | (7,240) | (823,647) |
Balance, shares at Mar. 31, 2022 |  | 101,178 |  |  |  |  |
Stock-based compensation | 10,109 |  | 10,109 |  |  |  |
Sales agent equity incentives | 361 |  | 361 |  |  |  |
Sales agent equity incentives, shares |  | 20 |  |  |  |  |
Common stock issued for conversion of Series A preferred stock |  | 29 |  |  |  |  |
Common stock issued for warrant exercises | 2,675 | $ 1 | 2,674 |  |  |  |
Common stock issued for warrant exercises, shares |  | 1,914 |  |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises, shares |  | 535 |  |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises | 2,331 |  | 2,331 |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability | (4,562) |  | (4,562) |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares |  | 819 |  |  |  |  |
Common stock issued for asset acquisition | 250 |  | 250 |  |  |  |
Common stock issued for asset acquisition, shares |  | 23 |  |  |  |  |
Foreign currency translation adjustments | (5,388) |  |  |  | (5,388) |  |
Net loss | (37,101) |  |  |  |  | (37,101) |
Balance at Jun. 30, 2022 | 12,115 | $ 11 | 910,577 | (25,097) | (12,628) | (860,748) |
Balance, shares at Jun. 30, 2022 |  | 104,518 |  |  |  |  |
Stock-based compensation | 10,011 |  | 10,011 |  |  |  |
Sales agent equity incentives | 178 |  | 178 |  |  |  |
Common stock issued for warrant exercises | 196 |  | 196 |  |  |  |
Common stock issued for warrant exercises, shares |  | 49 |  |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises, shares |  | 11 |  |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises | 47 |  | 47 |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability | (1,690) |  | (1,690) |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares |  | 406 |  |  |  |  |
Foreign currency translation adjustments | (4,958) |  |  |  | (4,958) |  |
Net loss | (36,793) |  |  |  |  | (36,793) |
Balance at Sep. 30, 2022 | (20,894) | $ 11 | 919,319 | (25,097) | (17,586) | (897,541) |
Balance, shares at Sep. 30, 2022 |  | 104,984 |  |  |  |  |
Balance at Dec. 31, 2022 | (34,667) | $ 11 | 933,537 | (25,097) | (10,794) | (932,324) |
Balance, shares at Dec. 31, 2022 |  | 106,640 |  |  |  |  |
Stock-based compensation | 16,462 |  | 16,462 |  |  |  |
Common stock issued for warrant exercises | 457 | $ 1 | 456 |  |  |  |
Common stock issued for warrant exercises, shares |  | 4,443 |  |  |  |  |
Common stock issued for stock option exercises | 768 |  | 768 |  |  |  |
Common stock issued for stock option exercises, shares |  | 349 |  |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability | (2,331) |  | (2,331) |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares |  | 2,027 |  |  |  |  |
Reclassification of equity-based liability | 3,373 |  | 3,373 |  |  |  |
Foreign currency translation adjustments | 1,105 |  |  |  | 1,105 |  |
Net loss | (43,529) |  |  |  |  | (43,529) |
Balance at Mar. 31, 2023 | (58,362) | $ 12 | 952,265 | (25,097) | (9,689) | (975,853) |
Balance, shares at Mar. 31, 2023 |  | 113,459 |  |  |  |  |
Balance at Dec. 31, 2022 | (34,667) | $ 11 | 933,537 | (25,097) | (10,794) | (932,324) |
Balance, shares at Dec. 31, 2022 |  | 106,640 |  |  |  |  |
Foreign currency translation adjustments | (1,317) |  |  |  |  |  |
Net loss | (137,560) |  |  |  |  |  |
Balance at Sep. 30, 2023 | (44,161) | $ 12 | 1,062,919 | (25,097) | (12,111) | (1,069,884) |
Balance, shares at Sep. 30, 2023 |  | 123,311 |  |  |  |  |
Balance at Mar. 31, 2023 | (58,362) | $ 12 | 952,265 | (25,097) | (9,689) | (975,853) |
Balance, shares at Mar. 31, 2023 |  | 113,459 |  |  |  |  |
Stock-based compensation | 24,194 |  | 24,194 |  |  |  |
Common stock issued for warrant exercises | 172 |  | $ 172 |  |  |  |
Common stock issued for warrant exercises, shares |  | 1,121 |  |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises, shares |  | 274 | 2,277 |  |  |  |
Common stock issued for employee stock purchase plan and stock option exercises | $ 2,277 |  |  |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares | (2,934) | 2,711 | (2,934) |  |  |  |
Common stock offering, net of offering costs |  |  | $ 57,511 |  |  |  | $ 57,511
Common stock offering, net of offering costs, shares |  | 4,286 |  |  |  |  |
Reclassification of equity-based liability | $ 188 |  | 188 |  |  |  |
Foreign currency translation adjustments | 178 |  |  |  | 178 |  |
Net loss | (51,377) |  |  |  |  | (51,377) |
Balance at Jun. 30, 2023 | (28,153) | $ 12 | 1,033,673 | (25,097) | (9,511) | (1,027,230) |
Balance, shares at Jun. 30, 2023 |  | 121,851 |  |  |  |  |
Stock-based compensation | 20,073 |  | 20,073 |  |  |  |
Common stock issued for stock option exercises | 38 |  | 38 |  |  |  |
Common stock issued for stock option exercises, shares |  | 8 |  |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability | (782) |  | (782) |  |  |  |
Common stock issued for vesting of restricted stock units, net of shares withheld for tax liability, shares |  | 784 |  |  |  |  |
Common stock offering, net of offering costs | 9,917 |  | 9,917 |  |  |  |
Common stock offering, net of offering costs, shares |  | 668 |  |  |  |  |
Foreign currency translation adjustments | (2,600) |  |  |  | (2,600) |  |
Net loss | (42,654) |  |  |  |  | (42,654) |
Balance at Sep. 30, 2023 | $ (44,161) | $ 12 | $ 1,062,919 | $ (25,097) | $ (12,111) | $ (1,069,884) |
Balance, shares at Sep. 30, 2023 |  | 123,311 |  |  |  |  |

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