Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v3.7.0.1
Commitments and Contingencies (Details) - Revenue - Customer concentration
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Certain Risks and Concentrations    
Concentration Risk, Percentage 67.00% 70.00%
Percentage of total revenues 10.00%