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Summary of Accounting Policies (Details) - Sales Revenue, Net [Member]
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Customer A    
Concentration percentage 31.80% [1]
Customer B    
Concentration percentage 27.80% [1]
Customer C    
Concentration percentage 19.10% [1]
Customer D    
Concentration percentage [1] 29.50%
Customer E    
Concentration percentage [1] 17.70%
Customer F    
Concentration percentage [1] 10.02%
[1] Represents less than 10% of total revenue