Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Revenue Disaggregated by Source

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

Schedule of Contract Balances

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