Marketable Investment Securities (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Sales of marketable investment securities	$ 0	$ 0	$ 0	$ 0
Realized gains or losses	0	0	0	0
Matured marketable investment securities	6,700,000	6,000,000.0	24,900,000	23,900,000
Other-than-temporary impairments	$ 0	$ 0	$ 0	$ 0