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Description of Business and Basis of Presentation (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) facility	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) facility	Jun. 30, 2021 USD ($)	Apr. 08, 2021 USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of production facilities | facility	2		2
Selling, general and administrative expense	$ 3,516,000	$ 3,291,000	$ 7,082,000	$ 6,006,000
LNG Product
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cost of revenue	$ 16,863,000	9,150,000	29,607,000	17,894,000
Reclassification
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Selling, general and administrative expense		500,000		1,000,000
Reclassification | LNG Product
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cost of revenue		$ 200,000		$ 300,000
Loan Agreement | AmeriState Bank
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Line of credit facility, maximum borrowing capacity					$ 10,000,000
Proceeds from loan			$ 9,000,000
Bomay
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Ownership percentage	40.00%		40.00%

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