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Note 4 - Debt - Summary of Debt Outstanding (Details) (Parentheticals) | Dec. 31, 2024 | Dec. 31, 2023 | Jul. 03, 2023 | Nov. 16, 2021
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The 8.00% Senior Secured Notes due August 2022 [Member] |  |  |  |
Interest rate | 8.50% | 8.50% |  | 8.00%
Unsecured Debt [Member] |  |  |  |
Interest rate | 10.375% | 10.375% | 10.375% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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