Segment Reporting - Segment Financial Information of Reportable Segments (Details) - Reportable Segments [Member] - USD ($)		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Segment operating revenues		$ 4,871,412	$ 4,808,707
Data and product costs
Employee expenses		1,498,114	1,460,862
Data feed expenses		534,901	483,100
Hosting and computer services expenses		58,714	39,814
Other data and product costs		191,645	214,001
Data and product costs subtotal		2,283,374	2,197,777
Selling, general and administrative expenses
Employee expenses		1,914,112	2,009,324
Professional fee expenses		103,106	146,834
Marketing expenses	[1]	208,791	217,548
Occupancy expenses	[2]	110,344	109,939
Other general and administrative expenses		140,598	69,956
Selling, general and administrative expenses subtotal		2,476,951	2,553,601
Other significant segment items
Depreciation and amortization		85,720	93,170
Other (income), net		(180,833)	(201,759)
Provision for income taxes		47,138	38,511
Segment net income		$ 159,062	$ 127,407

[1] Marketing expenses include vendors, trade show conferences, and promotional materials.

[2] Occupancy expenses include rent, utilities, repairs, and office supplies.