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Property, plant and equipment (Tables)

9 Months Ended

Sep. 30, 2025

Property, plant and equipment

Schedule of elements of property, plant and equipment

​

​	​	​	​	​	​	​	​	​
​		September 30,			December 31,			Estimated
​	​	2025		​	2024		​	Lives
(in thousands)	​	(unaudited)		​	​	​	​	​
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	​		3,624	​		3,569		25-39 years
- Cylinders	​		12,878	​		12,957		15-30 years
- Equipment	​		33,790	​		32,525		3-10 years
- Equipment under capital lease	​		315	​		315		5-7 years
- Vehicles	​		2,213	​		2,081		3-5 years
- Lab and computer equipment, software	​		3,304	​		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	​		6,079	​		4,237
Subtotal	​		67,213	​		63,998
Less: Accumulated depreciation	​		(44,432)	​		(42,444)		​
Total	​	$	22,781	​	$	21,554

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- References

No definition available.

+ Details

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

+ Details

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