Geographical Information

3 Months Ended

Dec. 31, 2018

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 December 31,
(in thousands)	2018		2017
United States and Canada	$	18,576	$	20,079
Asia	4,045		2,657
Europe	1,266		1,227
Other	114		73
Total revenue	$	24,001	$	24,036

Significant Customers: Significant customers are defined as customers representing greater than 10% of our consolidated revenue. Revenue from four and two of our significant customers represented an aggregate of 74% and 63% of our consolidated revenue for the three months ended December 31, 2018 and 2017, respectively.

Long-lived Assets: Long-lived assets consist of property, plant, and equipment. As of December 31, 2018 and September 30, 2018, approximately 65% and 49%, respectively, of our long-lived assets were located in the United States. The remaining long-lived assets are primarily located in China.