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Note 4 - Fair-value Measurements - Embedded Derivative Assumptions (Details) | Jun. 30, 2025 USD ($) | Dec. 31, 2024
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Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, SOFR Benchmark Rate [Member] | Minimum [Member] |  |
Derivative, assumption | 0.0304 | 0.0391
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, SOFR Benchmark Rate [Member] | Maximum [Member] |  |
Derivative, assumption | 0.0408 | 0.043
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Discount Rate [Member] |  |
Derivative, assumption | 0.118 | 0.1316
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Price Volatility [Member] |  |
Derivative, assumption | 0.26 | 0.21
Call and Put Options Derivative [Member] | The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] | Measurement Input, Expected Term [Member] |  |
Derivative, assumption | 1.9 | 3.4
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Share Price [Member] |  |
Derivative, assumption | 3 |
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Discount Rate [Member] |  |
Derivative, assumption | 0.1888 |
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |
Derivative, assumption | 0.0366 |
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Price Volatility [Member] |  |
Derivative, assumption | 0.70 |
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Expected Dividend Rate [Member] |  |
Derivative, assumption | 0 |
Conversion Option Derivative [Member] | The 2029 Notes [Member] | Measurement Input, Expected Term [Member] |  |
Derivative, assumption | 4 |

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- Definition Value of input used to measure derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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