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Discontinued Operations - Cash Flow And Non-Cash Information (Details) - Luna Labs - Discontinued Operations, Held-for-sale - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Depreciation and amortization $ 112 $ 198
Share-based compensation $ 129 $ 47