Revenue Recognition

6 Months Ended

Jun. 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 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

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 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

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