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v3.25.3

Note 2 - Investments and Fair Value Measurements (Details Textual) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | May 31, 2025 USD ($) | May 31, 2023 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Apr. 30, 2023
Debt Securities, Available-for-Sale | $ 0 |  |  |  |  | $ 0 |  |  | $ 0 |  |  | $ 0 |
Restricted Cash, Current | 8,100,000 |  |  |  |  | 8,100,000 |  |  | 8,100,000 |  |  | 10,978,000 |
Equity Method Investments | $ 14,619,000 |  |  |  |  | $ 14,619,000 |  |  | $ 14,619,000 |  |  | $ 14,066,000 |
Companies Accounted For Under Equity Method Investments | 3 |  |  |  |  | 3 |  |  | 3 |  |  | 3 |
Equity Method Investment, Other-than-Temporary Impairment |  |  |  |  |  | $ 0 |  | $ 0 | $ 0 |  | $ 0 |  |
Investments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | $ 0 |  |  |  |  | $ 0 |  |  | $ 0 |  |  |  |
Jia Mei Investment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner | 7.10% | [1] |  |  | 10.00% | 7.10% | [1] |  | 7.10% | [1] |  |  |
Jia Mei Investment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Other-than-Temporary Impairment |  |  |  | $ 145,000 |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 7.00% |  |  |  |  | 7.00% |  |  | 7.00% |  |  |  | 25.00%
Proceeds from Sale of Equity Method Investments |  |  |  |  | $ 827,000 |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  |  |  | 575,000 |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) On Adjustment To Fair Value | $ 296,000 |  | $ 145,000 |  | $ 383,000 |  |  |  |  |  |  |  |
Other Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | 14,600,000 |  |  |  |  | $ 14,600,000 |  |  | $ 14,600,000 |  |  | $ 14,100,000 |
Other Assets [Member] | Jia Mei Investment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | $ 702,000 |  |  |  |  | $ 702,000 |  |  | $ 702,000 |  |  |  |
[1] | In May 2023, we sold 15% of our equity investments in Jia Mei to a third party. We now own 10% of Jia Mei and account for it under the fair value method.

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