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Export Sales and Major Customers (Tables)
6 Months Ended
Aug. 31, 2015
Export Sales and Major Customers [Abstract]  
Summary of Revenues from domestic and export sales to unaffiliated customers
  Power     Field Effect  Power    
Geographic Region Transistors  Hybrids  Transistors  MOSFETS  Totals 
Europe and Australia $0  $0  $3,000  $0  $3,000 
Canada and Latin America  0   0   24,000   0   24,000 
Far East and Middle East  4,000   0   15,000   60,000   79,000 
United States  242,000   1,176,000   205,000   483,000   2,106,000 
Totals $246,000  $1,176,000  $247,000  $543,000  $2,212,000 

 

  Power     Field Effect  Power    
Geographic Region Transistors  Hybrids  Transistors  MOSFETS  Totals 
Europe and Australia $0  $453,000  $0  $0  $453,000 
Far East and Middle East  4,000   0   3,000   194,000   201,000 
United States  337,000   788,000   51,000   475,000   1,651,000 
Totals $341,000  $1,241,000  $54,000  $669,000  $2,305,000 
Summary of percentage of sales from major customer
Customer % of Sales 
Raytheon Company  40%
Lockheed Martin Corporation  27%
   67%

 

 

Customer % of  Sales 
Raytheon Company  46%
BAE Systems Australia  20%
   66%