Business Segment, Geographic and Major Customer Information - Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Summarized financial information regarding reportable segments
Net revenue from external customers	$ 12,739	$ 21,879	$ 41,035	$ 99,827
Loss from operations, including impairment	(45,594)	(11,786)	(125,911)	(39,095)
Depreciation and amortization	518	2,058	3,177	6,437
Additions to long-lived assets	906	1,102	906	1,869
Operating Segments | Chemistry Technologies
Summarized financial information regarding reportable segments
Net revenue from external customers	12,083	21,879	39,462	99,827
Loss from operations, including impairment	(8,880)	(5,917)	(75,137)	(18,407)
Depreciation and amortization	244	1,870	2,300	5,588
Additions to long-lived assets	906	1,102	906	1,869
Operating Segments | Data Analytics
Summarized financial information regarding reportable segments
Net revenue from external customers	656	0	1,573	0
Loss from operations, including impairment	(34,035)	0	(35,185)	0
Depreciation and amortization	274	0	405	0
Additions to long-lived assets	0	0	0	0
Corporate and Other
Summarized financial information regarding reportable segments
Net revenue from external customers	0	0	0	0
Loss from operations, including impairment	(2,679)	(5,869)	(15,589)	(20,688)
Depreciation and amortization	0	188	472	849
Additions to long-lived assets	$ 0	$ 0	$ 0	$ 0