Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v3.8.0.1
Commitments and Contingencies (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Revenue | Customer concentration        
Certain Risks and Concentrations        
Concentration Risk, Percentage 57.00% 85.00% 57.00% 64.00%