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Discontinued Operations - Summary of Significant Non-Cash Items, Investments and Purchases of Property, Plant and Equipment on Cash Flows - TS Biotechnology and EnviroFlight (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Adjustments to reconcile net loss to net cash used in operating activities |  |
Gain on sale of discontinued operations | $ 0 | $ (672)
Loss on release of cumulative foreign currency translation adjustments to loss from discontinued operations | 0 | 26,957
Equity in net loss of EnviroFlight | 3 | 1,163
Stock-based compensation expense | 11,462 | 13,869
Purchases of property, plant and equipment | $ (4,474) | (6,058)
TS Biotechnology Holdings LLC and EnviroFlight LLC | Discontinued Operations, Disposed of by Sale |  |
Adjustments to reconcile net loss to net cash used in operating activities |  |
Gain on sale of discontinued operations |  | (672)
Loss on release of cumulative foreign currency translation adjustments to loss from discontinued operations |  | 26,957
Unrealized depreciation on equity securities |  | 106
Stock-based compensation expense |  | (1,346)
Purchases of property, plant and equipment |  | (382)
EnviroFlight, LLC | Discontinued Operations, Disposed of by Sale |  |
Adjustments to reconcile net loss to net cash used in operating activities |  |
Loss on release of cumulative foreign currency translation adjustments to loss from discontinued operations |  | 0
Equity in net loss of EnviroFlight |  | $ 38

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