Business Segment, Geographic and Major Customer Information - Assets by Reportable Segments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Segment Reporting Information
Total assets	$ 98,473	$ 230,600
Operating Segments | Chemistry Technologies
Segment Reporting Information
Total assets	44,764	116,110
Operating Segments | Data Analytics
Segment Reporting Information
Total assets	11,427	0
Corporate and Other
Segment Reporting Information
Total assets	$ 42,282	$ 114,490