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Note 7 - Segment Reporting (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2024 | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Number of Reportable Segments |  |  |  | 2 |  |
Provision for Product Charges | [1] |  |  | $ (10,931) | $ (38,490) | $ (65,265)
Standard Product Warranty Accrual, Warranty Provision |  | $ 37,338 |  |  |  |
Geographic Concentration Risk [Member] | Revenue Benchmark [Member] | UNITED STATES |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 79.00% |  | 77.00% | 80.00%
Geographic Concentration Risk [Member] | Long-lived Assets [Member] | UNITED STATES |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  | 76.00% | 74.00% |
Patents and Securites [Member] |  |  |  |  |  |
Provision for Product Charges |  |  |  | $ 9,299 | $ 27,289 |
Class Action Lawsuits [Member] |  |  |  |  |  |
Legal Fees |  |  |  | 1,267 | 1,051 |
Clean Energy Product [Member] |  |  |  |  |  |
Provision for Product Charges |  |  |  | $ 365 | 4,350 |
Accounts Receivable, Credit Loss Expense (Reversal) |  |  |  |  |  | $ 17,926
Standard Product Warranty Accrual, Warranty Provision |  |  |  |  |  | 37,338
Product [Member] |  |  |  |  |  |
Provision for Product Charges |  |  |  |  | $ 5,800 | $ 10,000
[1] | Represents the following litigation, regulatory, and other matters that are not indicative of our ongoing operations: • A provision for judgments, settlements, and legal expenses related to certain patent lawsuits - $9,299 in 2024; $27,289 in 2023. • Legal expenses related to certain class action lawsuits - $1,267 in 2024; $1,051 in 2023. • A bad debt provision and additional customer support costs related to a clean energy product customer that filed for bankruptcy in 2022 – $365 and $4,350 additional customer support costs in 2024 and 2023, respectively; $17,926 bad debt provision in 2022. • A warranty provision to address clean energy product warranty-related matters - $37,338 in 2022. • A provision for a matter with the CPSC concerning the imposition of civil fines for allegedly failing to timely submit a report under the CPSA in relation to certain portable generators that were subject to a voluntary recall previously announced on July 29, 2021 - $5,800 in 2023 and $10,000 in 2022.

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