Revenue Recognition (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenue Recognition (Details) [Line Items]
Gross revenue from stock borrow/ Stock loan	$ 16,172,000	$ 14,518,000
Gross revenue from interest, marketing and distribution fees	29,577,000	17,234,000
Gross revenue	71,514,000	50,102,000
Revenue expenses	459,000	674,000
Net revenue	265,000	137,000
Maximum [Member]
Revenue Recognition (Details) [Line Items]
Expenses from stock borrow/stock loan	47,166,000	33,883,000
Gross revenue	30,036,000
Minimum [Member]
Revenue Recognition (Details) [Line Items]
Expenses from stock borrow/stock loan	$ 30,994,000	19,365,000
Gross revenue		$ 17,908,000