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Revenues (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Disaggregated revenue

The following table presents disaggregated revenue in the following categories (in thousands):

			Three Months Ended March 31,
			2024						2023
Contract Types:
Licensing			$	580					$	553
Engineering and other services			4,456						5,801
Biorefining revenue			$	5,036					$	6,354
Joint development agreements			2,872						2,036
Contract research			1,473						1,256
Joint development and contract research revenue			$	4,345					$	3,292
CarbonSmart product			863						—
Total Revenue			$	10,244					$	9,646

The following table presents revenue from partners in collaborative arrangements and from grant contributions which are included in the table above as follows (in thousands):

			Three Months Ended March 31,
			2024						2023
Revenue from partners in collaborative agreements included in the Joint development agreements above			2,223						$	1,088
Revenue from grant contributions included in Engineering and other services above			1,156						3,067

The following table presents disaggregation of the Company’s revenues by customer location for the three months ended March 31, 2024 and 2023 (in thousands):

			Three Months Ended March 31,
			2024						2023
North America			$	4,458					$	4,232
Europe, Middle East, Africa (EMEA)			4,580						4,711
Asia			1,206						50
Australia			—						653
Total Revenue			$	10,244					$	9,646

Changes in contract assets and liabilities

The following table provides changes in contract assets and liabilities (in thousands):

			Current Contract Assets						Current Contract Liabilities						Non-current Contract Liabilities
Balance as of December 31, 2023			$	28,238					$	3,198					$	8,233
Additions to unbilled accounts receivable			10,120						—						—
Increases due to cash received			—						3,208						—
Unbilled accounts receivable recognized in trade receivables			(9,091)						—						—
Decrease on revaluation on currency			(108)						(1)						(123)
Reclassification from long-term to short-term			—						672						(672)
Reclassification to revenue as a result of performance obligations satisfied			—						(3,263)						—
Balance as of March 31, 2024			$	29,159					$	3,814					$	7,438

Remaining performance obligations

Remaining performance obligations consisted of the following (in thousands):

			As of
			March 31, 2024						December 31, 2023
Current			$	3,814					$	3,198
Non-current			7,438						8,233
Total			$	11,252					$	11,431

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

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