Geographical Information

12 Months Ended

Sep. 30, 2017

We evaluate our reportable segment pursuant to ASC 280, Segment Reporting. The Company's Chief Executive Officer is the chief operating decision maker and he assesses the performance of the operating segment and allocates resources to the segment based on its business prospects, competitive factors, net revenue, operating results, and other non-U.S. GAAP financial ratios. Based on this evaluation, the Company operates as a single reportable segment.

Revenue: 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 Fiscal Years Ended September 30,
(in thousands)	2017		2016		2015
United States	$	98,520	$	66,436	$	55,736
Asia	16,713		17,401		16,885
Europe	7,015		7,618		8,249
Other	647		543		815
Total revenue	$	122,895	$	91,998	$	81,685

Significant Customers: Significant customers are defined as customers representing greater than 10% of our consolidated revenue. Revenue from three of our significant customers represented 71% of our consolidated revenue for the fiscal year ended September 30, 2017. Revenue from three of our significant customers represented 61% of our consolidated revenue for the fiscal year ended September 30, 2016. Revenue from four of our significant customers represented 61% of our consolidated revenue for the fiscal year ended September 30, 2015.

Long-lived Assets: Long-lived assets consist of property, plant, and equipment. As of September 30, 2017 and September 30, 2016, approximately 46% and 38%, respectively, of our long-lived assets were located in the United States. The remaining long-lived assets are primarily located in China.