Property, plant and equipment

12 Months Ended

Dec. 31, 2025

Property, plant and equipment

Property, plant and equipment

Note 5 - Property, plant and equipment

Elements of property, plant and equipment are as follows:

					Estimated
December 31,	2025		2024		Lives
(in thousands)
Property, plant and equipment
- Land	$	1,255	$	1,255
- Land improvements		319		319	6-10 years
- Buildings		1,446		1,446	25-39 years
- Building improvements		3,714		3,569	25-39 years
- Cylinders		12,853		12,957	15-30 years
- Equipment		33,870		32,525	3-10 years
- Equipment under capital lease		315		315	5-7 years
- Vehicles		2,237		2,081	3-5 years
- Lab and computer equipment, software		3,339		3,304	2-8 years
- Furniture and fixtures		1,125		1,125	5-10 years
- Leasehold improvements		865		865	3-5 years
- Construction-in-Progress		7,248		4,237
Subtotal		68,586		63,998
Less: Accumulated depreciation		(44,963)		(42,444)
Total	$	23,623	$	21,554

Depreciation expense for the years ended December 31, 2025, 2024 and 2023 was $2.7 million, $3.0 million and $3.0 million, respectively, of which $2.0 million, $2.4 million and $2.0 million, respectively, were included as cost of sales in the Company’s Consolidated Income Statements.