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Note 4 - Property, Plant and Equipment
 3 Months Ended
Mar. 31, 2024
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

4. PROPERTY, PLANT AND EQUIPMENT

 

The Company’s property, plant and equipment at March 31, 2024 and  December 31, 2023 consisted of the following (in thousands):

 

  

March 31,

  

December 31,

 
  

2024

  

2023

 

Liquefaction plants and systems

 $48,642  $48,523 

Real property and buildings

  2,066   2,066 

Vehicles and tanker trailers and equipment

  51,472   49,689 

Computer and office equipment

  458   458 

Construction in progress

  8,766   9,879 

Leasehold improvements

  31   31 
   111,435   110,646 

Less: accumulated depreciation

  (62,819)  (61,167)
  $48,616  $49,479 

 

Depreciation expense totaled $1.8 million and $2.0 million for the three months ended March 31, 2024 and 2023, respectively, all of which is included in the Condensed Consolidated Statements of Operations as a separate line item.