Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Details)

v3.19.2
Concentrations (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
[1]
Jun. 30, 2019
Jun. 30, 2018
[1]
Dec. 31, 2018
Accounts Receivable [Member] | Customer A [Member]          
Concentration risk, percentage     44.00%   58.00%
Accounts Receivable [Member] | Customer B [Member]          
Concentration risk, percentage     39.00%   23.00%
Sales Revenue, Net [Member] | Customer A [Member]          
Concentration risk, percentage 10.00% 12.00%  
[1] Represents less than 10%