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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common stock | Additional Paid-in Capital | Accumulated deficit | Accumulated other comprehensive (loss) income | Edgewater Networks, Inc. | Edgewater Networks, Inc. Common stock | Edgewater Networks, Inc. Additional Paid-in Capital | Anova Data, Inc. | Anova Data, Inc. Common stock | Anova Data, Inc. Additional Paid-in Capital
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2019 |  | 110,471,995 |  |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2019 | $ 483,255 | $ 11 | $ 1,747,784 | $ (1,267,067) | $ 2,527 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 38,288 |  |  |  |  |  |  |  |  |
Exercise of stock options | 70 |  | 70 |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units (in shares) |  | 2,246,690 |  |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units | 1 | $ 1 |  |  |  |  |  |  |  |  |
Vesting of performance-based stock units (in shares) |  | 323,752 |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations (in shares) |  | (472,028) |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations | (1,674) |  | (1,674) |  |  |  |  |  |  |  |
Shares issued as consideration in connection with the acquisition of ECI Telecom Group Ltd. (in shares) |  |  |  |  |  |  | 32,500,000 |  |  |  |
Shares issued as consideration in connection with the acquisition of ECI Telecom Group Ltd. |  |  |  |  |  | $ 108,550 | $ 3 | $ 108,547 |  |  |
Shares issued as consideration in connection with acquisition of Anova Data, Inc. (in shares) |  |  |  |  |  |  |  |  |  | 316,551 |
Shares issued as consideration in connection with acquisition of Anova Data, Inc. |  |  |  |  |  |  |  |  | $ 1,630 |  | $ 1,630
Stock-based compensation expense | 13,899 |  | 13,899 |  |  |  |  |  |  |  |
Other comprehensive income (loss) | (7,469) |  |  |  | (7,469) |  |  |  |  |  |
Net loss (income) | 88,591 |  |  | 88,591 |  |  |  |  |  |  |
Ending balance (in shares) at Dec. 31, 2020 |  | 145,425,248 |  |  |  |  |  |  |  |  |
Ending balance at Dec. 31, 2020 | 686,853 | $ 15 | 1,870,256 | (1,178,476) | (4,942) |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 13,815 |  |  |  |  |  |  |  |  |
Exercise of stock options | 24 |  | 24 |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units (in shares) |  | 3,653,552 |  |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units | 0 |  |  |  |  |  |  |  |  |  |
Vesting of performance-based stock units (in shares) |  | 1,557,656 |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations (in shares) |  | (1,754,963) |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations | (14,464) |  | (14,464) |  |  |  |  |  |  |  |
Stock-based compensation expense | 19,418 |  | 19,418 |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 12,520 |  |  |  | 12,520 |  |  |  |  |  |
Net loss (income) | $ (177,185) |  |  | (177,185) |  |  |  |  |  |  |
Ending balance (in shares) at Dec. 31, 2021 | 148,895,308 | 148,895,308 |  |  |  |  |  |  |  |  |
Ending balance at Dec. 31, 2021 | $ 527,166 | $ 15 | 1,875,234 | (1,355,661) | 7,578 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 708 |  |  |  |  |  |  |  |  |
Exercise of stock options | 1 |  | 1 |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units (in shares) |  | 3,075,543 |  |  |  |  |  |  |  |  |
Vesting of restricted stock awards and units | 0 |  |  |  |  |  |  |  |  |  |
Vesting of performance-based stock units (in shares) |  | 179,184 |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations (in shares) |  | (897,059) |  |  |  |  |  |  |  |  |
Shares of restricted stock returned to the Company under net share settlements to satisfy tax withholding obligations | (2,784) |  | (2,784) |  |  |  |  |  |  |  |
Common stock issued in equity offering (in shares) |  | 17,071,311 |  |  |  |  |  |  |  |  |
Common stock issued in equity offering | 52,067 | $ 2 | 52,065 |  |  |  |  |  |  |  |
Issuance costs related to equity offering | (1,654) |  | (1,654) |  |  |  |  |  |  |  |
Stock-based compensation expense | 18,707 |  | 18,707 |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 23,007 |  |  |  | 23,007 |  |  |  |  |  |
Net loss (income) | $ (98,083) |  |  | (98,083) |  |  |  |  |  |  |
Ending balance (in shares) at Dec. 31, 2022 | 168,324,995 | 168,324,995 |  |  |  |  |  |  |  |  |
Ending balance at Dec. 31, 2022 | $ 518,427 | $ 17 | $ 1,941,569 | $ (1,453,744) | $ 30,585 |  |  |  |  |  |

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