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v3.25.4

Note 7 - Segment Reporting (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Number of Reportable Segments |  | 2 |  |
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | UNITED STATES |  |  |  |
Concentration Risk, Percentage |  | 78.00% | 79.00% | 77.00%
Geographic Concentration Risk [Member] | Long-lived Assets [Member] | UNITED STATES |  |  |  |
Concentration Risk, Percentage |  | 74.00% | 76.00% |
Clean Energy Product [Member] |  |  |  |
Provision for Product Charges |  |  | $ 365 | $ 4,350
Certain Patent Lawsuits [Member] |  |  |  |
Legal Fees |  | $ 7,520 | 9,299 | 27,289
Class Action Lawsuits [Member] |  |  |  |
Legal Fees |  | 22,698 |  |
Multi-district Class Action Lawsuit [Member] |  |  |  |
Legal Fees |  | 15,000 | $ 1,267 | 1,051
Government Inquiries and Other Matters [Member] |  |  |  |
Legal Fees |  | $ 7,630 |  |
CPSC Civil Fines [Member] |  |  |  |
Provision for Product Charges |  |  |  | $ 5,800
Portable Generator Product Liability Case [Member] |  |  |  |
Legal Fees | $ 104,500 |  |  |
Settled Dispute With a Supplier for a Discontinued Product [Member] |  |  |  |
Provision for Product Charges | $ 15,633 |  |  |

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