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Segment Information (Tables)
 12 Months Ended
Sep. 30, 2016
Segment Reporting [Abstract]  
Summary of Revenue by Geographic Region
The following summarizes revenue by geographic region (in thousands):
 
Years Ended
September 30,
 
2016
 
2015
United States
$
22,686

 
$
20,396

Europe and Middle East
4,843

 
7,594

Asia
8,760

 
6,518

Other
1,686

 
1,951

Total
$
37,975

 
$
36,459