Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Net revenue	$ 20,503,985	$ 17,215,862
ValidClick
Disaggregation of Revenue [Line Items]
Net revenue	10,836,169	10,998,584
Digital Publishing
Disaggregation of Revenue [Line Items]
Net revenue	6,552,010	4,098,262
VMP
Disaggregation of Revenue [Line Items]
Net revenue	2,122,422	999,671
Audience Delivery Solutions and Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 993,384	$ 1,119,345