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Investments (Details Narrative) - USD ($)	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Allowance for credit losses	$ 91,000	$ 91,000	$ 91,000	$ 91,000
Allowance for credit losses, available-for sale investments	0	0
Accrued interest receivable on available-for-sale debt securities	2,200,000	2,200,000
Security owned and pledged as collateral, fair value	$ 288,700,000	$ 305,300,000
Investment [Member]
Equity method investment, ownership percentage	10.00%

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Security owned and pledged as collateral fair values.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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