Goodwill and Intangible Assets (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets
Amortization of intangible assets	$ 29	207
Computer Software, Intangible Asset [Member]
Indefinite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 200
Useful life of intangible assets	5 years
Patents [Member]
Indefinite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	10 years
In Process Research and Development [Member]
Indefinite-Lived Intangible Assets [Line Items]
Useful life of intangible assets	6 years
Finite-Lived Intangible Assets [Member]
Indefinite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 100	200
Ultra Cell LLC [Member] \| Trade Names [Member]
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets
Ultra Cell LLC [Member] \| Trade Names [Member] \| Finite-Lived Intangible Assets [Member]
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets		400
UltraCell Reporting Unit [Member]
Indefinite-Lived Intangible Assets [Line Items]
Goodwill impairment charge	0	600
Ser Energy and FES Reporting Unit [Member]
Indefinite-Lived Intangible Assets [Line Items]
Goodwill impairment charge	$ 0	$ 5,100

No definition available.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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