Business Segment, Geographic and Major Customer Information - Major Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information
Revenue from external customers	$ 12,824	$ 9,165	$ 23,206	$ 20,935
Customer Concentration Risk | Sales | Customer A (Related Party) | Chemistry Technologies
Segment Reporting Information
Revenue from external customers	$ 16,549		$ 17,657
Percentage of revenue by major customers (in percentage)	52.20%		38.90%
Customer Concentration Risk | Sales | Customer B | Chemistry Technologies
Segment Reporting Information
Revenue from external customers	$ 5,611		$ 8,218
Percentage of revenue by major customers (in percentage)	19.10%		19.50%
Customer Concentration Risk | Sales | Customer C | Chemistry Technologies
Segment Reporting Information
Revenue from external customers		$ 1,038		$ 4,067
Percentage of revenue by major customers (in percentage)		11.30%		19.40%
Customer Concentration Risk | Sales | Customer D | Chemistry Technologies
Segment Reporting Information
Revenue from external customers		$ 1,810		$ 4,660
Percentage of revenue by major customers (in percentage)		19.80%		22.30%