Segment Information - Operating Income (Loss) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Total operating income (loss)	$ 2,254,448	$ 3,064,147	$ 2,113,109	$ 3,649,018
Income (loss) before taxes	1,269,268	2,701,039	(139,314)	2,029,416
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total operating income (loss)	(3,841,588)	(1,707,313)	(6,766,119)	(2,847,695)
Corporate other expense	(985,180)	(363,108)	(2,252,423)	(1,619,602)
Buy-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating income (loss)	3,924,079	3,188,369	5,428,939	4,262,579
Sell-side advertising | Operating Segments
Segment Reporting Information [Line Items]
Total operating income (loss)	$ 2,171,957	$ 1,583,091	$ 3,450,289	$ 2,234,134