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Income Taxes - Components (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
State	$ (5)	$ 10
Deferred:
U.S. Federal	0	0
(Benefit from) provision for income taxes	$ (5)	$ 10

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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