Investments (Details 2) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Gross Unrealized, Cost	$ 5,925
Money Market Funds [Member]
Gross Unrealized, Cost	7,133	$ 3,563
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Gross Unrealized Fair Value	7,133	3,563
Bonds [Member]
Gross Unrealized, Cost	5,925	6,127
Gross Unrealized Gains	1	1
Gross Unrealized Losses	(86)	(82)
Gross Unrealized Fair Value	5,840	6,046
Mutual funds (available for sale) [Member]
Gross Unrealized, Cost	1,347	279
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(28)	(43)
Gross Unrealized Fair Value	1,319	236
Equity investments [Member]
Gross Unrealized, Cost	6,054	6,054
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,685)	(1,561)
Gross Unrealized Fair Value	$ 4,369	$ 4,493

Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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