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Note 13 - Fair Value Measurements (Details Textual) $ in Thousands	Aug. 01, 2025	Sep. 30, 2025 USD ($) shares	Dec. 31, 2024 USD ($)
Minimum [Member]
Derivative, Fixed Interest Rate		7.30%
Maximum [Member]
Derivative, Fixed Interest Rate		19.00%
Anfield Energy [Member]
Investment Owned, Balance, Shares (in shares) | shares		32,300
Investment Owned, Fair Value | $		$ 309	$ 131
Anfield Energy [Member] | Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	75

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