Geographical Information

6 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Geographical Information

Geographical Information

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-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 three months ended March 31,				For the six months ended March 31,
(in thousands)	2017		2016		2017		2016
United States	$	25,930	$	15,369	$	50,684	$	29,182
Asia	4,772		4,638		8,491		10,977
Europe	1,695		1,371		3,325		3,534
Other	194		154		267		329
Total revenue	$	32,591	$	21,532	$	62,767	$	44,022

Significant Customers: Significant customers are defined as customers representing greater than 10% of our consolidated revenue. Revenue from three of our significant customers represented 74% of our consolidated revenue for both the three and six months ended March 31, 2017. Revenue from two of our significant customers represented 51% of our consolidated revenue for the three and six months ended March 31, 2016.

Long-lived Assets: Long-lived assets consist of property, plant, and equipment. As of March 31, 2017 and September 30, 2016, approximately 39% and 38%, respectively, of our long-lived assets were located in the United States. The remaining long-lived assets are primarily located in China.