Revenue Recognition

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregated Revenues

The table below presents revenue disaggregated by source, for the three months ended March 31, 2020 and 2019 (in thousands):



	Three Months Ended March 31,
	2020		2019
LNG Product	$	9,131	$	10,254
Rental	2,890		2,244
Service	1,310		291
Other	507		186
	$	13,838	$	12,975

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 March 31, 2020 and December 31, 2019 (in thousands):



	March 31, 2020			December 31, 2019
Balance at beginning of period	$	185		$	93
Cash received, excluding amounts recognized as revenue	153			185
Amounts recognized as revenue	(117		)	(93		)
Balance at end of period	$	221		$	185

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