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Note 4 - Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

March 31,

  

December 31,

 

(in thousands)

 

2025

  

2024

 
         

Buildings and building improvements

 $9,045  $9,020 

Machinery, equipment and tooling

  15,803   15,768 

Construction in progress

  400   216 
   25,248   25,004 

Less accumulated depreciation and amortization

  (18,217)  (17,999)

Property, plant and equipment, net

 $7,031  $7,005