Note 6 - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2024

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

6. PROPERTY, PLANT AND EQUIPMENT, NET

Property, Plant and Equipment

The Company’s property, plant and equipment, net consisted of the following (in thousands):

	Estimated
	Useful Life	December 31,
	(years)	2024			2023
Liquefaction plants and systems	10 - 15	$	56,752		$	48,523
Real property and buildings	3 - 25		2,082			2,066
Vehicles and tanker trailers and equipment	2 - 10		49,754			49,689
Computer and office equipment	2 - 7		545			458
Construction in progress	—		8,082			9,879
Leasehold improvements	—		31			31
			117,246			110,646
Less: accumulated depreciation			(65,518	)		(61,167	)
		$	51,728		$	49,479

Depreciation expense for the years ended  December 31, 2024 and 2023 totaled $7.1 million and $7.9 million respectively, of which all is included in the Consolidated Statements of Operations as its own line item.

Construction in progress of $8.1 million and $9.9 million at  December 31, 2024 and 2023, respectively, primarily relate to the deployment and build-out of liquefaction assets and the purchase of additional liquefaction assets.