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Geographical Information (Tables)
 9 Months Ended
Jun. 30, 2016
Segment Reporting [Abstract]  
Schedule of Revenue by Geographic Region
The following tables set forth revenue by geographic region with revenue assigned to geographic regions based on our customers’ billing address.

Revenue by Geographic Region
For the three months ended June 30,
 
For the nine months ended June 30,
(in thousands)
2016
 
2015
 
2016
 
2015
United States
$
17,469

 
$
15,515

 
$
46,651

 
$
41,928

Asia
3,100

 
3,746

 
14,077

 
10,344

Europe
1,680

 
1,685

 
5,214

 
5,712

Other
127

 
248

 
456

 
683

Total revenue
$
22,376

 
$
21,194

 
$
66,398

 
$
58,667