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Major Customers and Foreign Sales
 12 Months Ended
Sep. 30, 2018
Major Customers and Foreign Sales [Abstract]  
Major Customers And Foreign Sales
Major Customers and Foreign Sales

In 2018, one customer individually accounted for 25% of net revenues. In 2017, one customer accounted for 25% of net revenues. In 2016, one customer accounted for 11% of net revenues.

Our net revenues for 2018, 2017 and 2016 were to customers in the following geographic regions:
 
Years Ended September 30,
 
2018
 
2017
 
2016
United States
12
%
 
11
%
 
17
%
Other
2
%
 
1
%
 
3
%
Total Americas
14
%
 
12
%
 
20
%
Taiwan
7
%
 
12
%
 
15
%
Malaysia
6
%
 
9
%
 
18
%
China
53
%
 
47
%
 
28
%
Other
4
%
 
7
%
 
7
%
Total Asia
70
%
 
75
%
 
68
%
Germany
7
%
 
5
%
 
3
%
Other
9
%
 
8
%
 
9
%
Total Europe
16
%
 
13
%
 
12
%
 
100
%
 
100
%
 
100
%