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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2023
Income Tax Disclosure [Abstract] |
Schedule of Domestic and Foreign Components of Income (Loss) | The following table presents domestic and foreign components of (loss) income before income taxes for the tax years ended December 31, 2023, 2022 and 2021:
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In thousands)
United States | $ | 759 |  |  | $ | 30,594 |  |  | $ | (27,547) |
International | (20,062) |  |  | (13,288) |  |  | (3,648) |
(Loss) income before income taxes | $ | (19,303) |  |  | $ | 17,306 |  |  | $ | (31,195) |
Schedule of (Provision) Benefit for Income Taxes from Continuing Operations | Benefit for income taxes from operations consists of the following:
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
| (In thousands)
Current: |  |  |  |  |
Federal | $ | (653) |  |  | $ | (2,717) |  |  | $ | (2,713) |
State | (1,309) |  |  | (803) |  |  | (145) |
Foreign | (2,219) |  |  | (815) |  |  | (1,627) |
Total | (4,181) |  |  | (4,335) |  |  | (4,485) |
Deferred: |  |  |  |  |
Federal | (75) |  |  | 1,004 |  |  | (364) |
State | — |  |  | (1) |  |  | — |
Foreign | 7,216 |  |  | 5,596 |  |  | 8,682 |
Total | 7,141 |  |  | 6,599 |  |  | 8,318 |
Income tax benefit | $ | 2,960 |  |  | $ | 2,264 |  |  | $ | 3,833 |
Schedule of Effective Income Tax Rate Reconciliation | The following table presents a reconciliation of the statutory federal tax rate and the Company’s effective tax rate for the years ended December 31, 2023, 2022 and 2021:
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Federal Tax Rate | 21.0 | % |  | 21.0 | % |  | 21.0 | %
State Tax Rate - statutory blended rate | 4.3 |  |  | 4.3 |  |  | 4.2 |
Other effective state tax adjustments | (5.2) |  |  | 3.6 |  |  | (1.4) |
Non-deductible expenses | (4.1) |  |  | 4.0 |  |  | (6.1) |
Research tax benefits | 24.4 |  |  | (31.6) |  |  | 7.9 |
Stock-based compensation | (18.0) |  |  | 6.3 |  |  | 13.9 |
Change in valuation allowance | (11.7) |  |  | (16.1) |  |  | 16.3 |
Deferred tax rate change | 0.6 |  |  | 0.5 |  |  | (0.2) |
Voxbone US 338(g) gain | — |  |  | — |  |  | (8.9) |
Intangibles and deferred adjustments | — |  |  | (4.7) |  |  | (40.2) |
Foreign rate differential | 2.8 |  |  | 1.6 |  |  | 1.3 |
Other | 1.2 |  |  | (2.0) |  |  | 4.5 |
Total | 15.3 | % |  | (13.1) | % |  | 12.3 | %
Schedule of Significant Components of Deferred Tax Assets and Liabilities | The following table presents the significant components of the Company’s net deferred tax liability:
| As of December 31,
| 2023 |  | 2022
| (In thousands)
Deferred tax assets: |  |  |
Allowance for doubtful accounts | $ | 80 |  |  | $ | 173 |
Accrued liabilities | 3,459 |  |  | 4,370 |
Operating lease liabilities | 57,152 |  |  | 3,456 |
Deferred revenue | 1,915 |  |  | 1,949 |
Stock-based compensation | 3,363 |  |  | 3,216 |
Capitalized research and development expenses | 40,306 |  |  | 20,997 |
Accrued lease incentive | — |  |  | 2,645 |
Tax credits | 12,994 |  |  | 10,948 |
Net operating losses | 17,421 |  |  | 25,691 |
Other deferred tax assets | 3,238 |  |  | 4,592 |
Gross deferred tax assets | 139,928 |  |  | 78,037 |
Less: valuation allowance | (67,950) |  |  | (65,678) |
Total deferred tax assets | 71,978 |  |  | 12,359 |
Deferred tax liabilities: |  |  |
Property, plant and equipment | 24,469 |  |  | 4,890 |
Goodwill | 1,416 |  |  | 1,272 |
Intangibles | 39,334 |  |  | 41,591 |
Operating lease assets | 39,780 |  |  | 3,072 |
Total deferred tax liabilities | 104,999 |  |  | 50,825 |
Net deferred tax liability | $ | (33,021) |  |  | $ | (38,466) |
Schedule of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
| Year Ended December 31,
| 2023 |  | 2022
| (In thousands)
Unrecognized tax benefits—January 1, | $ | 4,800 |  |  | $ | 3,062 |
Gross increases—tax positions in prior period | 142 |  |  | 613 |
Gross increases—tax positions in current period | 1,228 |  |  | 1,125 |
Unrecognized tax benefits—December 31, | $ | 6,170 |  |  | $ | 4,800 |

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