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Major Customers and Foreign Sales
 3 Months Ended
Dec. 31, 2018
Geographic Areas, Revenues from External Customers [Abstract]  
Major Customers And Foreign Sales
Major Customers and Foreign Sales
 
During the three months ended December 31, 2018, one Semiconductor segment customer individually represented 13% of our net revenues. No other customer represented greater than 10% of net revenues. During the three months ended December 31, 2017, one Solar segment customer individually represented 50% of our net revenues.
 
Our net revenues were to customers in the following geographic regions:
 
 
Three Months Ended December 31,
 
2018
 
2017
United States
20
%
 
7
%
Other
2
%
 
2
%
Total North America
22
%
 
9
%
China
30
%
 
71
%
Malaysia
3
%
 
3
%
Taiwan
8
%
 
2
%
Other
7
%
 
3
%
Total Asia
48
%
 
79
%
Germany
17
%
 
6
%
Other
13
%
 
6
%
Total Europe
30
%
 
12
%
 
100
%
 
100
%