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Note 10 - Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
  

Three Months Ended March 31,

  

2021

   2020 (1)

Market

 

Net Sales

  

%

  

Net Sales

   %
                

Medical

 $29,863   61.4% $33,732   69.9%

Consumer

  5,596   11.5%  3,453   7.2%

Automotive

  4,646   9.6%  4,602   9.5%

Aerospace & Defense

  4,631   9.5%  2,752   5.7%

Industrial

  2,098   4.3%  1,910   4.0%

Electronics

  1,765   3.6%  1,828   3.8%

Net Sales

 $48,599   100.0% $48,277   100.0%