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Note 2 - Fair Value Measurements - Summary of Fair Value Measurement Inputs and Valuation Techniques (Details) - Valuation Technique, Binomial Pricing Model [Member] - The 2025 Note [Member]	Jun. 30, 2026
Measurement Input, Expected Term [Member]
Debt, measurement input	4.2
Measurement Input, Price Volatility [Member]
Debt, measurement input	1.37
Measurement Input, Risk Free Interest Rate [Member]
Debt, measurement input	0.042
Measurement Input, Expected Dividend Rate [Member]
Debt, measurement input	0
Measurement Input, Exercise Price [Member]
Debt, measurement input	2.22

X

- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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 2: http://www.xbrl.org/2009/role/commonPracticeRef
-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

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-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

+ Details

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- Details

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- Details

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- Details

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