Revenues - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 12,917	$ 9,852	$ 22,563	$ 17,709
Revenue from collaborative arrangements	462	973	1,550	973
Biorefining revenue
Disaggregation of Revenue [Line Items]
Revenues	9,693	5,907	16,047	10,755
Licensing
Disaggregation of Revenue [Line Items]
Revenues	815	540	1,369	1,080
Engineering and other services
Disaggregation of Revenue [Line Items]
Revenues	8,878	5,367	14,678	9,675
Research and development
Disaggregation of Revenue [Line Items]
Revenues	2,217	2,963	5,509	5,232
Joint development agreements
Disaggregation of Revenue [Line Items]
Revenues	1,080	1,420	3,116	2,447
Contract research
Disaggregation of Revenue [Line Items]
Revenues	1,137	1,543	2,393	2,785
CarbonSmart (tangible product)
Disaggregation of Revenue [Line Items]
Revenues	1,007	982	1,007	1,722
Related Party | Licensing
Disaggregation of Revenue [Line Items]
Revenues	815	540	1,369	1,080
Related Party | Engineering and other services
Disaggregation of Revenue [Line Items]
Revenues	$ 261	$ 218	$ 680	$ 332