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v3.25.3

Note 6 - Fair Value (Details Textual) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) $ / shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) $ / shares | Sep. 30, 2024 USD ($) | Jun. 30, 2022
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  |  |  | $ 0 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | $ 0 |  | $ 0 |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | (2,617) | $ 0 | (2,617) |  |
Unrealized Gain (Loss) on Investments | 40,517 | $ 29,335 | (13,796) | 864 |
Warrant [Member] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 2,600 |  | 2,600 |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | (2,601) |  | (2,601) |  |
Other Investments [Member] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 20 |  | 20 |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | (16) |  | (16) |  |
Equity Securities [Member] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | $ 0 |  | 0 |  |
Fair Value, Inputs, Level 3 [Member] | Warrant [Member] |  |  |  |  |
Unrealized Gain (Loss) on Investments |  |  | 600 | 300 |
Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |  |  |  |  |
Unrealized Gain (Loss) on Investments |  |  | 10,100 | 6,000 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |  |  |  |  |
Unrealized Gain (Loss) on Investments |  |  | $ 9,700 | $ 4,500 |
The 2026 Notes [Member] |  |  |  |  |
Debt Instrument, Share Price (in dollars per share) | $ / shares | $ 24.9 |  | $ 24.9 |  |
The 2026 Notes [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Debt Instrument, Fair Value Disclosure | $ 57,300 |  | $ 57,300 |  |
The 2027 Notes [Member] |  |  |  |  |
Debt Instrument, Share Price (in dollars per share) | $ / shares | $ 24.71 |  | $ 24.71 |  |
The 2027 Notes [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Debt Instrument, Fair Value Disclosure | $ 56,800 |  | $ 56,800 |  |
The 2031 Convertible Notes [Member] |  |  |  |  |
Debt Instrument, Fair Value Disclosure | 2,700 |  | 2,700 |  |
The 2030 Convertible Notes [Member] |  |  |  |  |
Debt Instrument, Fair Value Disclosure | $ 39,900 |  | $ 39,900 |  |
Measurement Input, Hypothetical Market Yields [Member] |  |  |  |  |
Debt Instrument, Measurement Input |  |  |  |  | 0.25

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