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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - Sale of products - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Revenue from related party $ 0 $ 2 $ 1 $ 9
Cost of revenue from related party $ 9 $ 0 $ 20 $ 2