Segment Reporting

6 Months Ended

Jun. 30, 2019

Segment Reporting and Concentrations

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, 2019 and 2018, and the location of long-lived assets as of June 30, 2019 and December 31, 2018, are summarized as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Revenue:
Americas	$	1,496,988	$	931,246	$	2,497,805	$	2,062,895
Asia Pacific	194,074		1,631,910		2,267,388		3,580,334
Europe, Middle East, Africa and Other	2,308,327		1,448,425		3,727,174		3,362,301
Total Revenue	$	3,999,389	$	4,011,581	$	8,492,367	$	9,005,530



	June 30, 2019		December 31, 2018
Long-lived assets:
Americas	$	7,646,573	$	5,852,995
Asia Pacific	1,226,438		736,970
Europe, Middle East, Africa and Other	162,587		155,708
Total long-lived assets	$	9,035,598	$	6,745,673

For the three and six months ended June 30, 2019, the Company had two and one customers that accounted for 10% or more of total revenue, respectively. For the three and six months ended June 30, 2018, the Company had one customer that accounted for 10% of total revenue.

As of June 30, 2019, the Company had two customers that accounted for 10% or more of the gross accounts receivable balance. As of December 31, 2018, the Company had one customer that accounted for 10% or more of the gross accounts receivable balance.