Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.19.2
Concentrations (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Customer 10.00%   10.00%  
A [Member] | More than 10% Revenues [Member]        
Customer 14.00% 29.00% 8.20% 18.00%
B [Member | More than 10% Revenues [Member]        
Customer 13.90% 16.00% 8.10% 20.00%
C [Member] | More than 10% Revenues [Member]        
Customer 20.20% 11.00% 23.80% 13.00%
D [Member] | More than 10% Revenues [Member]        
Customer 13.50% [1] 15.90% 11.00%
[1] Less than 10%