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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Taxes |
Schedule of components of earnings before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | (in thousands)
Income (loss) before income taxes: | ​ | ​ | ​ | ​ | ​ | ​
Domestic | ​ | $ | (964) | ​ | $ | (2,043)
Foreign | ​ |  | (842) | ​ |  | 86
​ | ​ | $ | (1,806) | ​ | $ | (1,957)
Schedule of income tax provision | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | (in thousands)
Income tax provision (benefit): | ​ | ​ | ​ | ​ | ​ | ​
Current | ​ ​ ​ | ​ | ​ | ​ ​ ​ | ​ | ​
Federal | ​ | $ | — | ​ | $ | 9
State | ​ |  | 5 | ​ |  | 1
Foreign | ​ |  | 27 | ​ |  | 187
Total current | ​ |  | 32 | ​ |  | 197
Deferred: | ​ |  | ​ | ​ |  | ​
Federal | ​ |  | — | ​ |  | —
State | ​ |  | — | ​ |  | —
Foreign | ​ |  | (223) | ​ |  | (170)
Total deferred | ​ |  | (223) | ​ |  | (170)
Total income tax provision (benefit) | ​ | $ | (191) | ​ | $ | 27
Schedule of reconciliation of the income tax provision (benefit) by applying the statutory United States federal income tax rate to income (loss) before income taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, |
​ | ​ | 2025 | ​ | 2024 |
​ | ​ ​ ​ | $ | ​ ​ ​ | % | ​ ​ ​ | $ | ​ ​ ​ | % |
​ | ​ | (in thousands, except percentages) |
Federal income tax provision (benefit) at statutory rate | ​ | $ | (382) | ​ | 21.0 | % | $ | (411) | ​ | 21.0 | %
State tax expense net of federal tax benefit | ​ |  | (28) | ​ | 1.6 | ​ |  | (131) | ​ | 6.7 | ​
Foreign taxes | ​ |  | (35) | ​ | 1.9 | ​ |  | 3 | ​ | (0.2) | ​
Other | ​ |  | 6 | ​ | (0.3) | ​ |  | (8) | ​ | 0.5 | ​
Change in valuation allowance | ​ |  | 248 | ​ | (13.7) | ​ |  | 574 | ​ | (29.3) | ​
Income tax provision (benefit) | ​ | $ | (191) | ​ | 10.6 | % | $ | 27 | ​ | (1.4) | %
Schedule of significant deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | (in thousands)
Deferred taxes, net | ​ | ​ | ​ | ​ | ​ | ​
Net operating loss carryforward | ​ | $ | 1,236 | ​ | $ | 696
Accruals | ​ |  | 32 | ​ |  | 41
Reserves | ​ |  | 159 | ​ |  | 147
Property, plant and equipment, and intangible assets | ​ |  | 103 | ​ |  | 288
Stock-based compensation expense | ​ |  | 98 | ​ |  | 90
Other | ​ |  | 34 | ​ |  | 34
Total deferred tax assets | ​ |  | 1,662 | ​ |  | 1,296
Valuation allowance | ​ |  | (1,460) | ​ |  | (1,214)
Net deferred tax assets | ​ | $ | 202 | ​ | $ | 82
​ | ​ | ​ | ​ | ​ | ​ | ​
Property, plant and equipment, and intangible assets | ​ |  | (361) | ​ |  | (456)
Net deferred tax liabilities | ​ | $ | (361) | ​ | $ | (456)
Schedule of net operating losses ("NOLs") | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | (in millions)
Net operating losses | ​ | ​ | ​ | ​ | ​ | ​
Federal | ​ | $ | 3.9 | ​ | $ | 2.1
State | ​ |  | 4.1 | ​ |  | 3.6
Foreign | ​ |  | 0.5 | ​ |  | 0.0
​ | ​ | $ | 8.5 | ​ | $ | 5.7
Schedule of roll-forward of the NOLs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024
​ | ​ | (in millions)
Net operating losses | ​ | ​ | ​ | ​ | ​ | ​
Balance at January 1, | ​ | $ | 5.7 | ​ | $ | 2.4
NOL generated (utilized) | ​ |  | 2.8 | ​ |  | 3.3
NOL expired unused | ​ |  | — | ​ |  | —
Other, including changes in foreign currency exchange rates | ​ |  | — | ​ |  | —
Balance at December 31, | ​ | $ | 8.5 | ​ | $ | 5.7

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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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- 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://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
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