Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue from Contracts with Customers [Abstract]
Underwriter payment receiving period			90 days
Total Revenues by Type [Abstract]
Total revenues	$ 492,191	$ 1,066,229	$ 1,720,546	$ 3,570,710
Brokerage Commissions [Member]
Total Revenues by Type [Abstract]
Total revenues	492,191	1,066,229	1,714,235	3,205,397
Commissions [Member]
Total Revenues by Type [Abstract]
Total revenues	441,173	979,278	1,525,320	2,915,603
Hard Dollar Payments [Member]
Total Revenues by Type [Abstract]
Total revenues	51,017	86,951	188,915	289,794
Underwriting Fees [Member]
Total Revenues by Type [Abstract]
Total revenues	0	0	6,311	30,488
Sales Manager Fees [Member]
Total Revenues by Type [Abstract]
Total revenues	$ 0	$ 0	$ 0	$ 334,825