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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2023
Income Taxes |
Schedule of loss before income tax, domestic and foreign | Loss before provision for income taxes was attributed to the following jurisdictions for the years ended December 31, 2023, 2022 and 2021 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2023 |  | 2022 |  | 2021
United States | ​ | $ | (70,227) | ​ | $ | (34,854) | ​ | $ | (273,531)
Foreign | ​ |  | (29,121) | ​ |  | (240) | ​ |  | (311)
​ | ​ | $ | (99,348) | ​ | $ | (35,094) | ​ | $ | (273,842)
Schedule of components of provision for income taxes | The provision for income taxes consists of the following for the years ended December 31, 2023, 2022 and 2021 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2023 |  | 2022 |  | 2021
Current: |  | ​ |  |  | ​ |  |  | ​ |
Federal | ​ | $ | — | ​ | $ | — | ​ | $ | —
State | ​ |  | 73 | ​ |  | 70 | ​ |  | 112
Foreign | ​ |  | 2,263 | ​ |  | 2,634 | ​ |  | 1,783
Total current expense | ​ |  | 2,336 | ​ |  | 2,704 | ​ |  | 1,895
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred: | ​ |  |  | ​ |  |  | ​ |  |
Federal | ​ |  | (278) | ​ |  | (7,712) | ​ |  | (11,646)
State | ​ |  | (423) | ​ |  | (191) | ​ |  | (1,564)
Foreign | ​ |  | (1,396) | ​ |  | (1,545) | ​ |  | (1,126)
Change in valuation allowance | ​ |  | — | ​ |  | 8,983 | ​ |  | 14,127
Total deferred expense | ​ |  | (2,097) | ​ |  | (465) | ​ |  | (209)
Total provision for income taxes | ​ | $ | 239 | ​ | $ | 2,239 | ​ | $ | 1,686
Schedule of significant components of deferred tax assets and liabilities | Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2023 and 2022 are shown below (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022
Deferred tax assets: |  | ​ |  |  | ​ |
Net operating loss carryforward | ​ | $ | 53,804 | ​ | $ | 40,927
Expenses recognized for granting of options and warrants | ​ |  | 5,654 | ​ |  | 4,847
Interest expense | ​ |  | 1,850 | ​ |  | 4,081
Unrealized losses | ​ |  | 3,918 | ​ |  | 9,365
Capitalized research & experimentation | ​ |  | 5,224 | ​ |  | 2,724
R&D tax credit | ​ |  | 3,761 | ​ |  | 2,046
Accrued expenses and reserves | ​ |  | 806 | ​ |  | 860
Goodwill | ​ | ​ | 3,526 | ​ | ​ | —
Lease liability | ​ |  | 5,076 | ​ |  | 4,712
Total deferred tax assets | ​ |  | 83,619 | ​ |  | 69,562
Valuation allowance | ​ |  | (77,194) | ​ |  | (61,700)
​ | ​ | $ | 6,425 | ​ | $ | 7,862
Deferred tax liabilities: | ​ |  |  | ​ |  |
Goodwill | ​ | $ | — | ​ | $ | (2,779)
Right-of-use assets | ​ |  | (4,674) | ​ |  | (4,382)
Intangibles | ​ |  | (2,926) | ​ |  | (3,906)
Unremitted foreign earnings | ​ |  | (985) | ​ |  | (777)
Total deferred tax liability | ​ |  | (8,585) | ​ |  | (11,844)
Net deferred tax liability | ​ | $ | (2,160) | ​ | $ | (3,982)
​ Our net deferred tax liability as presented in our consolidated balance sheet consists of the following items (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022
Deferred tax assets | ​ | $ | 656 | ​ | $ | 947
Deferred tax liabilities | ​ |  | (2,816) | ​ |  | (4,929)
Net deferred tax liability | ​ | $ | (2,160) | ​ | $ | (3,982)
Schedule of provision (benefit) for income taxes differing from that computed using the federal statutory rate applied to loss before provision for income taxes | The provision for (benefit from) income taxes differs from that computed using the federal statutory rate applied to loss before provision for income taxes as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022 |  | 2021
Computed tax benefit at federal statutory rate | ​ | $ | (20,863) | ​ | $ | (7,370) | ​ | $ | (57,507)
State tax, net of federal benefit | ​ |  | (277) | ​ |  | 296 | ​ |  | (1,222)
Non-deductible loss on debt extinguishment | ​ |  | — | ​ |  | — | ​ |  | 50,817
Stock compensation | ​ |  | 1,660 | ​ |  | 1,881 | ​ |  | (7,543)
Deemed foreign dividend income | ​ |  | 1,874 | ​ |  | — | ​ |  | 198
R&D tax credit | ​ |  | (793) | ​ |  | (590) | ​ |  | —
Permanent differences and other | ​ |  | (172) | ​ |  | 352 | ​ |  | 813
Transaction cost | ​ |  | 20 | ​ |  | 160 | ​ |  | —
Executive compensation | ​ |  | 40 | ​ |  | 83 | ​ |  | 1,894
Rate changes | ​ |  | (471) | ​ |  | (113) | ​ |  | 105
Impairment of goodwill | ​ | ​ | 3,614 | ​ | ​ | — | ​ | ​ | —
Contingencies | ​ |  | (613) | ​ |  | (1,443) | ​ |  | 8
Valuation allowance | ​ |  | 16,220 | ​ |  | 8,983 | ​ |  | 14,123
​ | ​ | $ | 239 | ​ | $ | 2,239 | ​ | $ | 1,686
Schedule of reconciliation of unrecognized tax positions | A reconciliation of the beginning and ending amounts of unrecognized tax positions are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022 |  | 2021
Unrecognized tax positions, beginning of period | ​ | $ | 3,474 | ​ | $ | 4,932 | ​ | $ | 1,272
Gross increase – current period tax positions | ​ |  | 133 | ​ |  | 214 | ​ |  | 2,220
Gross decrease – prior period tax positions | ​ |  | (718) | ​ |  | (1,672) | ​ |  | —
Gross increase – prior period tax positions | ​ |  | — | ​ |  | — | ​ |  | 1,440
Expiration of statute of limitations | ​ |  | — | ​ |  | — | ​ |  | —
Unrecognized tax positions, end of period | ​ | $ | 2,889 | ​ | $ | 3,474 | ​ | $ | 4,932

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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://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 9 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-9 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 12 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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