Revenue Recognition (Details) - USD ($)	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Revenue Recognition (Details) [Line Items]
Gross revenue from stock borrow/ Stock loan	$ 4,098,000	$ 3,442,000
Gross revenue from interest, marketing and distribution fees	8,763,000	6,973,000
Gross revenue	20,456,000	16,170,000
Revenue expenses	56,000	156,000
Maximum [Member]
Revenue Recognition (Details) [Line Items]
Expenses from stock borrow/stock loan	10,890,000	9,776,000
Gross revenue	8,819,000
Minimum [Member]
Revenue Recognition (Details) [Line Items]
Expenses from stock borrow/stock loan	$ 6,792,000	6,334,000
Gross revenue		$ 7,129,000

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details