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Note 4 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment, Gross	$ 117,456	$ 117,246
Less: accumulated depreciation	(67,167)	(65,518)
Property, Plant and Equipment, Net	50,289	51,728
Liquefaction Plants and Systems [Member]
Property, Plant and Equipment, Gross	56,752	56,752
Building [Member]
Property, Plant and Equipment, Gross	2,082	2,082
Vehicles [Member]
Property, Plant and Equipment, Gross	49,435	49,754
Office Equipment [Member]
Property, Plant and Equipment, Gross	624	545
Construction in Progress [Member]
Property, Plant and Equipment, Gross	8,532	8,082
Leasehold Improvements [Member]
Property, Plant and Equipment, Gross	$ 31	$ 31

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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