The Company operates as one operating segment. Sales to customers outside the United States represented 23% and 14% for the three months ended September 30, 2019 and 2018, respectively, and 26% and 22% for the nine months ended September 30, 2019 and 2018, respectively.

As of September 30, 2019 and December 31, 2018, balances due from foreign customers, in U.S. dollars, were $1.5 million and $0.9 million, respectively.

The following presents total net sales by geographic territory for the three and nine months ended September 30, 2019 and 2018 (in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Domestic	$	1,757	$	1,172	$	4,308	$	2,988
Foreign	514		183		1,519		860
	$	2,271	$	1,355	$	5,827	$	3,848

The following presents total net sales by line of business for the three and nine months ended September 30, 2019 and 2018 (in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Accelerate Pheno™ revenue	$	2,221	$	1,325	$	5,702	$	3,760
Other revenue	50		30		125		88
	$	2,271	$	1,355	$	5,827	$	3,848

The following presents total net sales by products and services for the three and nine months ended September 30, 2019 and 2018 (in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Products	$	2,143	$	1,331	$	5,531	$	3,798
Services	128		24		296		50
	$	2,271	$	1,355	$	5,827	$	3,848

Lease income included in net sales was $0.2 million for each of the three months ended September 30, 2019 and 2018, respectively, and $0.6 million and $0.4 million for the nine months ended September 30, 2019 and 2018, respectively, which does not represent revenues recognized from contracts with customers.

The following presents property and equipment, net by geographic territory (in thousands):



	September 30,		December 31,
	2019		2018
Domestic	$	7,726	$	6,309
Foreign	840		994
	$	8,566	$	7,303