Summary of Significant Accounting Policies (Details)		3 Months Ended			6 Months Ended				12 Months Ended
		Jun. 30, 2015		Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014		Dec. 31, 2014
Accounts Receivable [Member] | Company 1 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					11.00%				10.00%
Accounts Receivable [Member] | Company 2 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					0.00%	[1]			12.00%
Accounts Receivable [Member] | Company 3 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					0.00%	[1]			24.00%
Accounts Receivable [Member] | Company 4 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage					0.00%	[1]			13.00%
Net Revenue [Member] | United States [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		96.00%		92.00%	94.00%		93.00%
Net Revenue [Member] | Europe, Middle East and Africa [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	[1]	0.00%		0.00%	0.00%		0.00%
Net Revenue [Member] | Company 1 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		18.00%		13.00%	12.00%		12.00%
Net Revenue [Member] | Company 2 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		0.00%	[1]	10.00%	0.00%	[1]	11.00%
Net Revenue [Member] | Company 3 Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		0.00%	[1]	10.00%	0.00%	[1]	0.00%	[1]
Cost of Services [Member] | Advertiser Networks [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		100.00%		88.00%	100.00%		91.00%
Cost of Services [Member] | Publisher Solutions [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		0.00%		12.00%	0.00%		9.00%
Traffic Acquisition Costs [Member] | Distribution Partner 1 [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		11.00%		20.00%	15.00%		32.00%
Traffic Acquisition Costs [Member] | Distribution Partner 2 [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		11.00%		19.00%	10.00%		28.00%
Traffic Acquisition Costs [Member] | Distribution Partner 3 [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		10.00%		22.00%	0.00%	[1]	21.00%
Traffic Acquisition Costs [Member] | Distribution Partner 4 [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	[1]	0.00%		0.00%	0.00%		0.00%

[1] Less than 10%