Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.10.0.1
Concentrations (Details) - Total sales [Member] - Number
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Concentrations (Textual)    
Concentration risk, percentage 15.60% 27.50%
Number of customers 1 2
United States [Member]    
Concentrations (Textual)    
Concentration risk, percentage 10.00% 10.00%
First customer [Member]    
Concentrations (Textual)    
Concentration risk, percentage   10.90%
Second customer [Member]    
Concentrations (Textual)    
Concentration risk, percentage   16.60%