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Loss Per Share - Schedule of Basic and Diluted Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Earnings Per Share [Abstract]    
Net loss $ (162) $ (306)
Dividend on series A preferred stock (100)
Net loss applicable to common shareholders $ (162) $ (406)
Basic weighted-average common shares outstanding 3,924 1,360
Dilutive effect of potentially dilutive securities
Diluted weighted-average common shares outstanding 3,924 1,360
Basic net loss per share $ (0.04) $ (0.30)
Diluted net loss per share $ (0.04) $ (0.30)