Revenue Recognition (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2020 and 2019 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
LNG Product	$	2,884	$	8,699	$	12,015	$	18,953
Rental	385		1,337		3,275		3,581
Service	1,268		391		2,578		682
Other	466		668		973		854
	$	5,003	$	11,095	$	18,841	$	24,070

Schedule of Contract Balances

The following table presents the changes in the Company’s contract liabilities for the periods ended June 30, 2020 and December 31, 2019 (in thousands):

	June 30, 2020		December 31, 2019
Balance at beginning of period	$	185	$	93
Cash received, excluding amounts recognized as revenue	350		185
Amounts recognized as revenue	(117)		(93)
Balance at end of period	$	418	$	185