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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2025
INCOME TAXES |
Schedule of income (loss) before taxes | The components of loss from continuing operations before income taxes consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year ended December 31,
​ | ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Loss before income taxes: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
United States | ​ | $ | 88,257 | ​ | $ | 22,685 | ​ | $ | (5,363)
Foreign | ​ |  | (133,366) | ​ |  | (68,753) | ​ |  | (50,010)
​ | ​ | $ | (45,109) | ​ | $ | (46,068) | ​ | $ | (55,373)
Schedule of income tax expense (benefit) | The (benefit) provision for income taxes from continuing operations consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year ended December 31,
​ | ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Income tax (benefit) provision: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Current: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Federal | ​ | $ | (7,702) | ​ | $ | 21,619 | ​ | $ | 9,927
State | ​ |  | (1,489) | ​ |  | 3,313 | ​ |  | 2,790
Foreign | ​ |  | 10,049 | ​ |  | 122 | ​ |  | 7,312
Total current | ​ |  | 858 | ​ |  | 25,054 | ​ |  | 20,029
Deferred: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Federal | ​ |  | (71,702) | ​ |  | (13,822) | ​ |  | (10,417)
State | ​ |  | (10,807) | ​ |  | (2,266) | ​ |  | (1,059)
Foreign | ​ |  | (3,094) | ​ |  | (799) | ​ |  | 2,280
Total deferred | ​ |  | (85,603) | ​ |  | (16,887) | ​ |  | (9,196)
Total | ​ | $ | (84,745) | ​ | $ | 8,167 | ​ | $ | 10,833
Schedule of effective income tax rate reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, | ​
​ | ​ | 2025 | ​ ​ ​
Loss before income taxes | $ | (45,109) | ​ | ​ | ​
U.S. federal statutory tax rate | ​ | (9,473) | ​ | 21.0 | %
United States | ​ | ​ | ​ | ​ | ​
State and local income taxes | ​ | (11,983) | ​ | 26.6 |
Federal | ​ | ​ | ​ | ​ |
Effect of cross-border tax laws | ​ | ​ | ​ | ​ |
Subpart F income | ​ | 2,224 | ​ | (4.9) |
Income from branches | ​ | 1,642 | ​ | (3.6) |
Withholding tax | ​ | 788 | ​ | (1.7) | ​
Worthless stock deduction | ​ | (90,862) | ​ | 201.4 | ​
Foreign tax credit | ​ | (1,301) | ​ | 2.9 | ​
Tax credits | ​ | ​ | ​ | ​ | ​
R&D tax credit | ​ | (826) | ​ | 1.8 | ​
Changes in valuation allowances | ​ | 3,449 | ​ | (7.6) | ​
Nontaxable or nondeductible items | ​ | ​ | ​ | ​ | ​
Fair value adjustment | ​ | (1,259) | ​ | 2.8 | ​
Other | ​ | 596 | ​ | (1.3) | ​
Other adjustments | ​ | (19) | ​ | 0.0 | ​
Foreign tax effects | ​ | ​ | ​ | ​ | ​
India | ​ | ​ | ​ | ​ | ​
Withholding tax | ​ | 1,535 | ​ | (3.4) | ​
India audit settlement | ​ | 1,160 | ​ | (2.6) | ​
Other | ​ | 1,017 | ​ | (2.3) | ​
Ireland | ​ | ​ | ​ | ​ | ​
Changes in valuation allowances | ​ | (1,207) | ​ | 2.7 | ​
Capital loss carryforward | ​ | 1,207 | ​ | (2.7) | ​
Other | ​ | (151) | ​ | 0.3 | ​
Israel | ​ | ​ | ​ | ​ | ​
Effect of rates different than statutory | ​ | (1,940) | ​ | 4.3 | ​
Permanent adjustments - foreign exchange | ​ | 1,306 | ​ | (2.9) | ​
Changes in valuation allowances | ​ | 20,978 | ​ | (46.5) | ​
Withholding tax | ​ | (757) | ​ | 1.7 | ​
Intercompany dividend | ​ | 1,097 | ​ | (2.4) | ​
Nontaxable accruals | ​ | (490) | ​ | 1.1 | ​
Other | ​ | (280) | ​ | 0.6 | ​
Other foreign jurisdictions | ​ | 1,604 | ​ | (3.6) | ​
Changes in unrecognized tax benefits | ​ | (2,800) | ​ | 6.2 | ​
Income tax benefit | $ | (84,745) | ​ | 187.9 | %
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year ended December 31, |
​ | ​ | 2024 | ​ ​ ​ | 2023 |
U.S. statutory income tax rate |  | 21.0 | % | 21.0 | %
State income taxes, net of federal benefit |  | (0.8) |  | (2.1) | ​
Foreign income taxes |  | 2.6 | ​ | (9.9) | ​
Stock-based compensation |  | (4.2) |  | (5.4) | ​
Tax credits |  | 2.2 |  | 7.7 | ​
Uncertain tax positions |  | 15.2 |  | 2.0 | ​
Valuation allowance |  | (37.2) |  | (27.0) | ​
Other permanent adjustments |  | (14.2) |  | (1.3) | ​
Permanent foreign exchange adjustments |  | (3.9) |  | (2.3) | ​
Other, net |  | 1.5 |  | (2.3) | ​
Effective income tax rate |  | (17.8) | % | (19.6) | %
Schedule of cash taxes paid by the company | The amount of income taxes paid, net of refunds received, by the Company for the year ended December 31, 2025 is as follows (in thousands): ​
​ | ​ | ​ | ​
​ | ​ ​ ​ | ​ | Year ended
​ | ​ | ​ | December 31,
​ | ​ ​ ​ | 2025
Federal | ​ | $ | 1,600
State | ​ | ​ | 792
Foreign: | ​ |  | ​
India | ​ | ​ | 4,574
Russia | ​ | ​ | 775
All other foreign | ​ |  | 2,781
​ | ​ | $ | 10,522
​ ​
Summary of deferred tax assets and liabilities | The following is a summary of the significant components of deferred income tax assets and liabilities (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
Assets: | ​ | ​ | ​ |  | ​ | ​
Net operating loss carryforwards | ​ | $ | 491,584 | ​ | $ | 399,412
Capital loss carryforwards | ​ |  | 98,862 | ​ |  | 100,069
Tax credit carryforwards | ​ |  | 27,410 | ​ |  | 25,405
Capitalized research and development expenses | ​ |  | 62,480 | ​ |  | 71,587
Deferred revenue | ​ |  | 2,350 | ​ |  | 7,687
Accrued expenses | ​ |  | 13,299 | ​ |  | 12,106
Inventory | ​ |  | 1,853 | ​ |  | 1,899
Stock-based compensation | ​ |  | 1,844 | ​ |  | 1,299
Fixed assets | ​ |  | 1,333 | ​ |  | 624
Lease liabilities | ​ |  | 18,007 | ​ |  | 11,993
Interest Limitation Carryforward | ​ | ​ | 11,283 | ​ | ​ | —
Other temporary differences | ​ |  | 4,066 | ​ |  | 1,551
​ | ​ |  | 734,371 | ​ |  | 633,632
Valuation allowance | ​ |  | (512,621) | ​ |  | (493,855)
Total deferred tax assets | ​ |  | 221,750 | ​ |  | 139,777
Liabilities: | ​ |  | ​ | ​ |  | ​
Intangible assets | ​ |  | (30,384) | ​ |  | (37,488)
Operating lease right-of-use assets | ​ |  | (11,711) | ​ |  | (8,712)
Unremitted foreign income | ​ |  | (11,065) | ​ |  | (10,536)
Total deferred tax liabilities | ​ |  | (53,160) | ​ |  | (56,736)
Total net deferred tax assets | ​ | $ | 168,590 | ​ | $ | 83,041
​ The deferred tax assets and liabilities based on tax jurisdictions are presented in the Company’s consolidated balance sheets as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
Deferred income taxes - net noncurrent assets | ​ | $ | 174,318 | ​ | $ | 88,982
Deferred income taxes - net noncurrent liabilities | ​ |  | (5,728) | ​ |  | (5,941)
​ | ​ | $ | 168,590 | ​ | $ | 83,041
Schedule of unrecognized tax benefits | A reconciliation of the Company’s unrecognized tax benefits is as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Year ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Unrecognized tax benefits at January 1 | ​ | $ | 5,866 | ​ | $ | 10,932 | ​ | $ | 12,001
Increases related to current year tax positions | ​ |  | 560 | ​ |  | 607 | ​ |  | —
Increases related to prior period tax positions | ​ |  | — | ​ |  | 53 | ​ |  | 52
Decreases related to the lapse of the applicable statute of limitations | ​ |  | — | ​ |  | (1,268) | ​ |  | (821)
Decreases related to prior period tax positions | ​ | ​ | (4,126) | ​ | ​ | (4,458) | ​ | ​ | (300)
Unrecognized tax benefits at December 31, | ​ | $ | 2,300 | ​ | $ | 5,866 | ​ | $ | 10,932

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
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