Segment Reporting

6 Months Ended

Jun. 30, 2017

The Company is organized in a single operating segment for purposes of making operating decisions and assessing performance. Revenue from the United States to customers in the following geographical areas for the three and six months ended June 30, 2017 and 2016, and the location of long-lived assets as of June 30, 2017 and December 31, 2016, are summarized as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Revenue:
Americas	$	2,040,247	$	2,667,901	$	3,641,494	$	5,053,626
Asia Pacific	2,445,409		2,949,051		4,696,486		5,686,244
Europe, Middle East, Africa and Other	2,248,670		2,450,999		4,435,461		4,760,412
Total Revenue	$	6,734,326	$	8,067,951	$	12,773,441	$	15,500,282



	June 30, 2017		December 31, 2016
Long-lived assets:
Americas	$	6,058,326	$	6,525,612
Asia Pacific	852,238		890,051
Europe, Middle East, Africa and Other	260,225		218,316
Total long-lived assets	$	7,170,789	$	7,633,979

For both the three and six months ended June 30, 2017, the Company had no customers that accounted for 10% or more of total revenue. For both the three and six months ended June 30, 2016, the Company had one customer, Hitachi Data Systems, that accounted for 11% of total revenue.

As of June 30, 2017, the Company had no customers that accounted for 10% or more of the gross accounts receivable balance. As of December 31, 2016, the Company had three customers, Datang Telecom International Technology Co., Ltd, Hitachi Data Systems and Huawei Technologies Co., Ltd, that accounted for 15%, 14% and 12%, respectively, of the gross accounts receivable balance.