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Note 2 - Acquisition - Schedule of Intangible Assets Acquired (Details) - USD ($) $ in Thousands | Oct. 31, 2024 | Dec. 31, 2024
--- | --- | ---
Year 1 |  | $ 1,620
Year 2 |  | 1,486
Year 3 |  | 1,486
Year 4 |  | 1,486
Year 5 |  | $ 1,465
Electrochem Solutions, Inc. [Member] |  |
Estimated Fair Value | $ 10,500 |
Year 1 | 713 |
Year 2 | 713 |
Year 3 | 713 |
Year 4 | 713 |
Year 5 | 713 |
Electrochem Solutions, Inc. [Member] | Trade Names [Member] |  |
Estimated Fair Value | $ 5,300 |
Amortization Period (Year) | 15 years |
Year 1 | $ 353 |
Year 2 | 353 |
Year 3 | 353 |
Year 4 | 353 |
Year 5 | 353 |
Electrochem Solutions, Inc. [Member] | Customer Relationships [Member] |  |
Estimated Fair Value | $ 5,100 |
Amortization Period (Year) | 15 years |
Year 1 | $ 340 |
Year 2 | 340 |
Year 3 | 340 |
Year 4 | 340 |
Year 5 | 340 |
Electrochem Solutions, Inc. [Member] | Patents and Technology [Member] |  |
Estimated Fair Value | $ 100 |
Amortization Period (Year) | 5 years |
Year 1 | $ 20 |
Year 2 | 20 |
Year 3 | 20 |
Year 4 | 20 |
Year 5 | $ 20 |

X
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