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Segments Reporting (Details Textual)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Customer one [Member]    
Segments Reporting (Textual)    
Concentration risk, percentage 38.00% 30.00%
Customer two [Member]    
Segments Reporting (Textual)    
Concentration risk, percentage 17.00% 20.00%