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INVENTORY (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
INVENTORY    
Raw materials $ 1,792 $ 1,590
Finished goods 4,734 292
Total current inventories 6,526 1,882
Inventories recognized as part of cost of revenues 5,200 900
Inventories, at net realisable value $ 400 $ 100