Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue from Contracts with Customers [Abstract]
Underwriter payment receiving period	90 days
Total Revenues by Type [Abstract]
Total revenues	$ 503,738	$ 661,919
Brokerage Commissions [Member]
Total Revenues by Type [Abstract]
Total revenues	503,738	655,608
Commissions [Member]
Total Revenues by Type [Abstract]
Total revenues	459,995	591,248
Hard Dollar Payments [Member]
Total Revenues by Type [Abstract]
Total revenues	43,743	64,360
Underwriting Fees [Member]
Total Revenues by Type [Abstract]
Total revenues	$ 0	$ 6,311