Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.20.1
Concentrations (Details) - More than 10% Revenues [Member]
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
A [Member]    
Customer 30.00% 29.00%
B [Member]    
Customer 18.00% 19.00%
C [Member]    
Customer 15.00% 15.00%