Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue Recognition [Abstract]

Summary of revenue performance obligations

The following is a summary of our revenue performance obligations:

	Three Months Ended September 30, 2020				Three Months Ended September 30, 2019
(In thousands except percentages)	Revenues		Percent of Revenues		Revenues		Percent of Revenues
Revenue recognized over time	$	546	3	%	$	403	3	%
Revenue recognized at a point in time		20,274	97	%		11,988	97	%
	$	20,820	100	%	$	12,391	100	%

	Nine Months Ended September 30, 2020				Nine Months Ended September 30, 2019
(In thousands except percentages)	Revenues		Percent of Revenues		Revenues		Percent of Revenues
Revenue recognized over time	$	1,101	2	%	$	1,041	2	%
Revenue recognized at a point in time		52,144	98	%		41,370	98	%
	$	53,245	100	%	$	42,411	100	%

Summary of contract assets and contract liabilities

The following summarizes our contract assets and contract liabilities:    

(In thousands)	September 30, 2020		December 31, 2019
Contract assets, included in other current assets	$	29	$	2
Contract liabilities - advance customer payments	$	484	$	389
Contract liabilities - deferred warranty revenue	$	388	$	275

Summary of the amounts reclassified from beginning contract liabilities to revenue

The following summarizes the amounts reclassified from beginning contract liabilities to revenue: 

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Amounts reclassified from beginning contract liabilities to revenue	$	287	$	342	$	106	$	401
Amounts reclassified from deferred warranty revenue		86		111		269		334
Total	$	373	$	453	$	375	$	735