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Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Statement [Abstract]        
Net loss $ (686) $ (660) $ (335) $ (3,581)
Other comprehensive income (loss)
Comprehensive loss $ (686) $ (660) $ (335) $ (3,581)