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Industry Segments (Tables)
3 Months Ended
Mar. 28, 2015
Segment Reporting [Abstract]  
Financial Information by Industry Segment

Financial information by industry segment is as follows (in thousands):

 

     Three Months Ended  
     March 28,      March 29,  
     2015      2014  

Net sales by segment:

     

Semiconductor equipment

   $ 63,447      $ 60,170  

Microwave communications equipment

     4,621        4,694  
  

 

 

    

 

 

 

Consolidated net sales for reportable segments

   $ 68,068      $ 64,864  
  

 

 

    

 

 

 

Segment profit (loss):

     

Semiconductor equipment

   $ 1,236      $ (825

Microwave communications equipment

     (926      (539
  

 

 

    

 

 

 

Profit (loss) for reportable segments

     310        (1,364

Other unallocated amounts:

     

Corporate expenses

     (2,015      (2,059

Interest and other, net

     6        15  
  

 

 

    

 

 

 

Loss from continuing operations before taxes

   $ (1,699    $ (3,408
  

 

 

    

 

 

 
Schedule of Customer Concentration to Consolidated Net Sales

Significant customer concentration information is as follows (in thousands):

 

     Three Months Ended
     March 28,   March 29,
     2015   2014

Customers individually accounting for more than 10% of consolidated net sales

   two   two

Percentage of consolidated net sales

   31%   27%