Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2022

Revenue From Contract With Customer [Abstract]

Summary of Revenue Disaggregated by Geographical Region and Source of Revenue

In the following tables, revenue is disaggregated by primary geographical region and source of revenue:

	Three Months Ended March 31,
	2022						2021
	U.S.		International		Total		U.S.		International		Total
	(In thousands)
Geographical region
Asia	$	—	$	7,324	$	7,324	$	—	$	5,588	$	5,588
Canada		—		860		860		—		964		964
Europe		—		3,911		3,911		—		7,246		7,246
Latin America		—		1,606		1,606		—		1,544		1,544
U.S.		24,706		—		24,706		12,755		—		12,755
Total revenue	$	24,706	$	13,701	$	38,407	$	12,755	$	15,342	$	28,097
Source of revenue
Energy industrial	$	17,650	$	12,489	$	30,139	$	12,662	$	14,887	$	27,549
Subsea projects		548		11		559		—		407		407
Research services		77		—		77		41		—		41
Thermal barrier		6,431		1,201		7,632		52		48		100
Total revenue	$	24,706	$	13,701	$	38,407	$	12,755	$	15,342	$	28,097

Summary of Changes in Contract Assets and Contract Liabilities

The following table presents changes in the Company’s contract assets and contract liabilities during the three months ended March 31, 2022:

	Balance at December 31, 2021		Additions		Deductions			Balance at March 31, 2022
	(In thousands)
Contract assets
Subsea projects	$	1,448	$	965	$	(1,671	)	$	742
Research services		148		77		(209	)		16
Thermal barrier		235		—		—			235
Total contract assets	$	1,831	$	1,042	$	(1,880	)	$	993
Contract liabilities
Deferred revenue
Energy industrial	$	1,321	$	782	$	(1,308	)	$	795
Subsea projects		—		954		(548	)		406
Prepayment liability		9,728		—		(4,728	)		5,000
Total contract liabilities	$	11,049	$	1,736	$	(6,584	)	$	6,201