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Note 8 - Property, Plant and Equipment
 3 Months Ended
Mar. 31, 2024
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

Note 8.  Property, Plant & Equipment

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Property, plant and equipment consisted of the following for the periods indicated (in thousands):

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March 31, 2024

  

December 31, 2023

 

Land improvements

 $806  $806 

Buildings and improvements

  85,798   86,534 

Machinery and equipment

  257,724   257,842 

Furniture and fixtures

  5,189   5,449 

Computer equipment and software

  12,473   12,059 

Transportation equipment

  659   673 

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  362,649   363,363 

Less accumulated depreciation

  (195,515)  (194,086)

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  167,134   169,277 

Construction in progress

  31,706   29,939 

Land

  1,101   1,101 

Total property, plant and equipment, net

 $199,941  $200,317 

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For the three months ended March 31, 2024 and 2023, the depreciation expense of property, plant and equipment was $4.9 million and $5.2 million, respectively. 

 

As of March 31, 2024, the Company concluded that its continued loss history constitutes a triggering event as described in ASC 360-10-35-21,Property, Plant, and Equipment.  The Company performed a recoverability test and concluded that future undiscounted cash flows exceed the carrying amount of the Company’s long-lived assets and therefore no impairment charge was recorded.