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Significant Risks and Uncertainties Including Business and Credit Concentrations (Tables)
 3 Months Ended
Mar. 31, 2018
Significant Risks and Uncertainties Including Business and Credit Concentrations  
Schedule of revenue from major customers

 

 

 

 

 

 

 

 

 

Three Months Ended

 

    

 

 

March 31, 

 

    

 

    

2018

 

2017 (Recast)

 

Customer A

 

38

%  

62

%

 

Customer B

 

 7

%  

19

%

 

Customer C

 

34

%  

16

%