Business Segment, Geographic and Major Customer Information - Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Summarized financial information regarding reportable segments
Revenue from external customers	$ 10,382	$ 11,770
Revenue from related party	2,497	0
Loss from operations	(10,284)	(8,243)
Depreciation and amortization	195	307
Additions to long-lived assets	0	19
Operating Segments \| Chemistry Technologies
Summarized financial information regarding reportable segments
Revenue from external customers	9,311	10,302
Revenue from related party	2,497	0
Loss from operations	(6,057)	(3,589)
Depreciation and amortization	178	292
Additions to long-lived assets	0	19
Operating Segments \| Data Analytics
Summarized financial information regarding reportable segments
Revenue from external customers	1,071	1,468
Revenue from related party	0	0
Loss from operations	(808)	(292)
Depreciation and amortization	16	15
Additions to long-lived assets	0	0
Corporate and Other
Summarized financial information regarding reportable segments
Revenue from external customers	0	0
Revenue from related party	0	0
Loss from operations	(3,419)	(4,362)
Depreciation and amortization	1	0
Additions to long-lived assets	$ 0	$ 0

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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