Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Concentration Risk (Details)

v3.19.2
Concentration Risk (Details) - Customer [Member] - Customer
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Concentration Risk, Percentage 44.00% 24.00%
Number of customers 1 1