Business Segment, Geographic and Major Customer Information - Assets by Reportable Segments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Segment Reporting Information
Total assets	$ 158,030	$ 164,810
Operating Segments | Chemistry Technologies
Segment Reporting Information
Total assets	139,921	146,542
Operating Segments | Data Analytics
Segment Reporting Information
Total assets	7,382	5,645
Corporate and Other
Segment Reporting Information
Total assets	$ 10,727	$ 12,623