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Discontinued Operations - Summary of Non-Cash Adjustments Related to Discontinued Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Noncash Investing and Financing Items [Abstract]    
Depreciation and amortization $ 467 $ 1,625
Provision for excess inventory 0 463
Loss on asset disposal $ (6,508) $ (36)