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NOTE 14 - SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
12 Months Ended
Dec. 31, 2018
Segment Reporting [Abstract]  
Summary of operating information by geographic area
    Year Ended December  31,
(in thousands)   2018   2017
Net sales:        
  U.S.   $3,436   $2,874
  Europe   13,251   14,899
  Rest of World   12,537   16,278
    $29,224   $34,051
         
Included in Europe and Rest of World net sales are      
the following significant balances:        
         
  Germany   $4,428   $7,982
  China   $4,489   $5,865
         
Operating income:        
  U.S.   $802   $499
  Europe   258   2,171
  Rest of World   678   2,377
    $1,738   $5,047
         
Identifiable assets:        
  U.S.   $18,976   $18,340
  Europe   5,279   5,001
  Rest of World   6,468   6,946
    $30,723   $30,287