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Financial Instruments - Schedule of Significant Customer Risk Percentage (Details) - Sales Revenue [Member]
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Concentration of revenues 99.20% 82.80%
Customer A [Member]    
Concentration of revenues 37.80% 72.40%
Customer B [Member]    
Concentration of revenues 31.20% 10.40%
Customer C [Member]    
Concentration of revenues 19.80% 0.00%
Customer D [Member]    
Concentration of revenues 10.40% 0.00%