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Note 8 - Property, Plant, and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Long-lived Assets by Geographic Areas [Table Text Block]
  

December 31,

  

December 31,

 
  

2021

  

2020

 

United States

 $12,337  $12,539 

Singapore

  1,346   1,460 

Other

  154   178 

Consolidated

 $13,837  $14,177