Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition [Abstract]

Summary of revenue performance obligations

The following is a summary of our revenue performance obligations:

	Three Months Ended March 31, 2022				Three Months Ended March 31, 2021
(In thousands except percentages)	Revenues		Percent of Revenues		Revenues		Percent of Revenues
Revenue recognized over time	$	842	3.5	%	$	403	2.3	%
Revenue recognized at a point in time		23,404	96.5	%		17,329	97.7	%
	$	24,246	100.0	%	$	17,732	100.0	%

Summary of contract assets and contract liabilities

The following summarizes our contract assets and contract liabilities:    

(In thousands)	March 31, 2022		December 31, 2021
Contract assets, included in other current assets	$	22	$	7
Contract liabilities - advance customer payments	$	772	$	289
Contract liabilities - deferred warranty revenue	$	448	$	445

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 March 31,
(In thousands)	2022		2021
Amounts reclassified from beginning contract liabilities to revenue	$	178	$	339
Amounts reclassified from deferred warranty revenue		115		90
Total	$	293	$	429