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Note 6 - Property, Plant and Equipment
6 Months Ended
Jun. 30, 2026
Notes to Financial Statements  
Property, Plant, and Equipment [Text Block]

6.

Property, plant and equipment

 

Property, plant and equipment are summarized as follows: ​

 ​

  

June 30,

  

December 31,

 
  

2026

  

2025

 
         

Land

 $162  $162 

Land improvements

  141   140 

Leasehold improvements

  9,646   9,269 

Buildings

  2,958   2,958 

Machinery and equipment

  89,951   90,139 

Furniture and fixtures

  29,173   28,413 

Mobile equipment and other

  6,004   5,990 

Construction-in-process

  10,273   5,512 

Total property, plant and equipment

  148,308   142,583 

Less accumulated depreciation

  (101,174)  (97,819)

Property, plant and equipment, net

 $47,134  $44,764