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PREPAID EXPENSES AND OTHER RECEIVABLES (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
PREPAID EXPENSES AND OTHER RECEIVABLES    
Advances to suppliers $ 2,543 $ 1,412
Discount from service provider 46 63
Prepaid expenses 2,298 413
Government institutions 634 356
Total prepaid expenses and other receivables $ 5,521 $ 2,244