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v3.25.2

Prepaid Project Costs and Other Long-term Assets (Details Narrative) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 | May 31, 2025 | Dec. 31, 2022
Aditional advance payments | $ 0.6 |  |
Offset of Project Costs | 0.6 |  |
Prepaid Expenses And Other Current Assets [Member] |  |  |
Prepaid project costs | $ 0.5 |  |
Prepaid Expenses And Other Current Assets [Member] | Minimum [Member] |  |  |
Prepaid project costs |  | $ 0.1 |
Prepaid Expenses And Other Current Assets [Member] | Maximum [Member] |  |  |
Prepaid project costs |  | $ 0.5 |
Battelle Energy Alliance, LLC (BEA) [Member] |  |  |
Prepaid project costs |  |  | $ 0.4

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