Geographical Information

12 Months Ended

Sep. 30, 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 Fiscal Years ended September 30,
(in thousands)	2019		2018		2017
United States and Canada	$	68,607	$	69,543	$	98,520
Asia	11,637		10,386		16,713
Europe	6,209		5,422		7,015
Other	812		266		647
Total revenue	$	87,265	$	85,617	$	122,895

Significant Customers: Significant customers are defined as customers representing greater than 10% of our consolidated revenue. Revenue from three, two and three of our significant customers represented an aggregate of 55%, 60% and 71% of our consolidated revenue for the fiscal years ended September 30, 2019, 2018 and 2017, respectively.

Long-lived Assets: Long-lived assets consist of land, building and property, plant, and equipment. As of September 30, 2019 and September 30, 2018, approximately 85% and 49%, respectively, of our long-lived assets were located in the United States. The remaining long-lived assets are primarily located in China.