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Income Taxes - Income Taxes - Summary of Income Tax Benefit (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ (11)	$ (167)
State	1	(1)
Foreign		(30)
Total	(10)	(198)
Deferred:
Federal	69	(20)
Total	69	(20)
Income tax benefit (expense)	$ (59)	$ 218

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