Geographical Information

6 Months Ended

Mar. 31, 2019

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, Fiber Optics.

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)	2019		2018		2019		2018
United States and Canada	$	15,648	$	14,940	$	34,224	$	35,019
Asia	4,207		2,146		8,252		4,803
Europe	1,781		1,505		3,047		2,732
Other	109		32		223		105
Total revenue	$	21,745	$	18,623	$	45,746	$	42,659

Significant Customers: Significant customers are defined as customers representing greater than 10% of our consolidated revenue. Revenue from four and three of our significant customers represented an aggregate of 67% and 65% of our consolidated revenue for the three months ended March 31, 2019 and 2018, respectively. Revenue from four and two of our significant customers represented an aggregate of 71% and 59% of our consolidated revenue for the six months ended March 31, 2019 and 2018, respectively.

Long-lived Assets: Long-lived assets consist of property, plant, and equipment. As of March 31, 2019 and September 30, 2018, approximately 72% and 49%, respectively, of our long-lived assets were located in the United States. The remaining long-lived assets are primarily located in China.