Summary of Significant Accounting Policies - Summary of Revenue from Products and Services (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Net revenue	$ 9,214,350	$ 13,789,754	$ 31,737,520	$ 43,302,230
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
ValidClick Platform
Disaggregation of Revenue [Line Items]
Net revenue	$ 6,239,406	$ 11,223,146	$ 24,966,122	$ 37,489,094
Percentage of total revenue	67.70%	81.40%	78.70%	86.60%
IntentKey Platform
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,974,944	$ 2,566,608	$ 6,771,398	$ 5,813,136
Percentage of total revenue	32.30%	18.60%	21.30%	13.40%