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Inventories - Schedule of Inventories (Details) (Parenthetical) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Inventory [1] $ 1,456,597 $ 1,456,597  
GlucoTrack Model DF-F Glucose Monitoring Device [Member]      
Inventory   $ 1,456,597 $ 1,456,597
[1] Management evaluates whether inventory reserve for slow-moving or obsolete items is required. To date, as a result of low volume of revenues generated from the sales of the GlucoTrack® model DF-F glucose monitoring device the Group has recorded reserves with respect to its inventory in the amount of approximately US $1,457 thousand during 2017 and 2018