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

 

  ​

Historical Timeline

Fiscal YearFiled
2025Mar 16, 2026Showing above
2024Mar 12, 2025
2023Mar 14, 2024
2022Mar 14, 2023
2021Mar 24, 2022
2020Mar 12, 2021
2019Mar 13, 2020
2018Mar 15, 2019
2017Mar 16, 2018
2016Mar 10, 2017
2015Mar 11, 2016

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.