Discontinued Operations - Summary of Financial Results for TS Biotechnology and EnviroFlight (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on release of cumulative foreign currency translation adjustment				$ 0	$ (26,957,000)
Income (loss) from discontinued operations		$ 60,000	$ (1,972,000)	$ 4,599,000	(64,769,000)
TS Biotechnology Holdings LLC | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue					1,294,000
Operating expenses					896,000
Operating income (loss)					398,000
Gain on sale of discontinued operations					633,000
Loss on release of cumulative foreign currency translation adjustment	$ (26,957,000)				(26,957,000)
Other expense, net					(129,000)
Income (loss) before income taxes					(26,055,000)
Income tax expense					(2,000)
Income (loss) from discontinued operations					(26,057,000)
EnviroFlight, LLC | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue					0
Operating expenses					0
Operating income (loss)					0
Gain on sale of discontinued operations					39,000
Loss on release of cumulative foreign currency translation adjustment					0
Other expense, net					0
Equity in net loss of affiliates					(38,000)
Income (loss) before income taxes					1,000
Income tax expense					0
Income (loss) from discontinued operations					1,000
TS Biotechnology Holdings LLC and EnviroFlight LLC | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue					1,294,000
Operating expenses					896,000
Operating income (loss)					398,000
Gain on sale of discontinued operations					672,000
Loss on release of cumulative foreign currency translation adjustment					(26,957,000)
Other expense, net					(129,000)
Equity in net loss of affiliates					(38,000)
Income (loss) before income taxes					(26,054,000)
Income tax expense					(2,000)
Income (loss) from discontinued operations			$ 0		(26,056,000)
Related Parties, Aggregated | TS Biotechnology Holdings LLC | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue					$ 436,000