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Note H - Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2021
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

NOTE H—PROPERTY, PLANT AND EQUIPMENT

  

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

  

  

December 31, 2021

  

December 31, 2020

 

Land improvements

 $806  $806 

Building and improvements

  89,698   88,280 

Machinery and equipment

  266,386   253,738 

Furniture and fixtures

  5,658   5,540 

Computer equipment and software

  12,727   11,912 

Transportation equipment

  

726

   699 
   376,001   360,975 

Less accumulated depreciation and amortization

  (167,772)  (142,434)
   208,229   218,541 

Construction in progress

  33,705   33,342 

Land

  1,101   1,101 

Total property, plant and equipment, net

 $243,035  $252,984 

 

For the years ended December 31, 2021, 2020 and 2019, depreciation expense of property, plant and equipment was $24.8 million, $24.2 million, and $23.5 million, respectively. For the years  December 31, 2021, 2020 and 2019, the capitalized interest was $0.9 million, $0.4 million, and $0.2 million, respectively. 

 

As of December 31, 2021, 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.