Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share of Common Stock for Continuing and Discontinued Operations (Details)

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Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share of Common Stock for Continuing and Discontinued Operations (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Common stock    
Numerator [Abstract]    
Allocation of undistributed net loss, continuing operations, basic $ (82,849) $ (58,440)
Allocation of undistributed net loss, continuing operations, diluted (82,849) (58,440)
Allocation of undistributed net loss, discontinued operations, basic (27) 802
Allocation of undistributed net loss, discontinued operations, diluted $ (27) $ 802
Denominator [Abstract]    
Weighted average shares, basic (in shares) 99,888,447 66,688,464
Weighted average shares, diluted (in shares) 99,888,447 66,688,464
Basic net loss per share, continuing operations (in dollars per share) $ (0.83) $ (0.87)
Diluted net loss per share, continuing operations (in dollars per share) (0.83) (0.87)
Basic net loss per share, discontinued operations (in dollars per share) (0.00) 0.01
Diluted net loss per share, discontinued operations (in dollars per share) $ (0.00) $ 0.01
Preferred Stock    
Numerator [Abstract]    
Allocation of undistributed net loss, continuing operations, basic $ (1,500) $ (5,944)
Allocation of undistributed net loss, continuing operations, diluted (1,500) (5,944)
Allocation of undistributed net loss, discontinued operations, basic 0 82
Allocation of undistributed net loss, discontinued operations, diluted $ 0 $ 82
Denominator [Abstract]    
Weighted average shares, basic (in shares) 361,644 1,356,597
Weighted average shares, diluted (in shares) 361,644 1,356,597
Basic net loss per share, continuing operations (in dollars per share) $ (4.15) $ (4.38)
Diluted net loss per share, continuing operations (in dollars per share) (4.15) (4.38)
Basic net loss per share, discontinued operations (in dollars per share) 0.00 0.06
Diluted net loss per share, discontinued operations (in dollars per share) $ 0.00 $ 0.06