Revenue Recognition

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

Disaggregated Revenues

The table below presents revenue disaggregated by source, for the three and nine months ended September 30, 2020 and 2019 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
LNG Product	$	6,594	$	7,919	$	18,609	$	26,872
Rental	737		759		4,012		4,340
Service	187		7		593		689
Power Delivery	1,352		1,371		3,638		1,371
Other	149		458		1,008		1,312
	$	9,019	$	10,514	$	27,860	$	34,584

See Note 5—Business Segments, below, for additional disaggregation of revenue.

Contract Liabilities

The Company recognizes contract liabilities upon receipt of payments for which the performance obligations have not been fulfilled at the reporting date, resulting in deferred revenue. Contract liabilities are included in accrued liabilities in the accompanying unaudited condensed consolidated balance sheets. The following table presents the changes in the Company’s contract liabilities for the periods ended September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020		December 31, 2019
Balance at beginning of period	$	185	$	93
Cash received, excluding amounts recognized as revenue	694		185
Amounts recognized as revenue	(477)		(93)
Balance at end of period	$	402	$	185

The Company has no other material contract assets or liabilities and contract costs.