Business Segment, Geographic and Major Customer Information - Assets by Reportable Segments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Segment Reporting Information
Total assets	$ 142,196	$ 230,600
Operating Segments | Chemistry Technologies
Segment Reporting Information
Total assets	34,439	116,110
Operating Segments | Data Analytics
Segment Reporting Information
Total assets	40,922	0
Corporate and Other
Segment Reporting Information
Total assets	$ 66,835	$ 114,490