Revenue Recognition

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

Revenue by Source

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Instruments	$	724,000	$	2,370,000	$	1,487,000	$	5,262,000
Consumables	856,000		792,000		2,016,000		1,608,000
Total product revenue	1,580,000		3,162,000		3,503,000		6,870,000
Service and other	616,000		151,000		1,010,000		470,000
Total revenue	$	2,196,000	$	3,313,000	$	4,513,000	$	7,340,000

Service and other for the three and nine months includes diagnostics for the period from August 21, 2020 through September 30, 2020.

Revenue by Geographic Location

	Three Months Ended September 30,								Nine Months Ended September 30,
	2020				2019				2020				2019
	$		%		$		%		$		%		$		%
North America	$	874,000	40	%	$	1,831,000	56	%	$	2,388,000	53	%	$	4,050,000	55	%
EMEIA	1,204,000		55	%	943,000		28	%	1,908,000		42	%	2,367,000		32	%
Asia Pacific	118,000		5	%	539,000		16	%	217,000		5	%	923,000		13	%
Total	$	2,196,000	100	%	$	3,313,000	100	%	$	4,513,000	100	%	$	7,340,000	100	%

The table above provides revenue from contracts with customers by source and geographic region (based on the customer's billing address) on a disaggregated basis. North America consists of the United States and Canada. EMEIA consists of Europe, the Middle East, India and Africa. Asia Pacific includes China, Japan, South Korea, Singapore and Australia. For the three months ended September 30, 2020 and 2019, the United States represented 40% and 48% of total revenue, and for the nine months ended September 30, 2020 and 2019, 51% and 52%, respectively.

Remaining Performance Obligations

As of September 30, 2020, the estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied was $500,000. These remaining performance obligations primarily relate to extended warranty and support and maintenance obligations. The Company expects to recognize approximately 27.6% of this amount as revenue during the remainder of 2020, 61.2% in 2021, 7.6% in 2022, and 3.6% in 2023. Warranty revenue is included in Service and other revenue.

The Company recognized revenue of $66,000 and $39,000 during the three months ended September 30, 2020 and 2019, respectively, and revenue of $299,000 and $117,000 during the nine months ended September 30, 2020 and 2019, respectively, which was included in the contract liability balance at the end of the previous year.

Concentrations

As of September 30, 2020 and December 31, 2019, one customer represented 9% and 10%, respectively, of the Company's accounts receivable balance.