Segment Information - Operating Income (Loss) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total operating income (loss)	$ (141,339)	$ 584,871
Income before taxes	(1,408,582)	(671,623)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total operating income (loss)	(2,924,532)	(1,140,381)
Corporate other expense	(1,267,243)	(1,256,494)
Buy-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating income (loss)	1,504,861	1,074,210
Sell-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating income (loss)	$ 1,278,332	$ 651,042