Schedule of Amortized Cost and Approximate Fair Values of Debt Securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Marketable Securities [Line Items]
Available for sale, amortized cost	$ 31,199	$ 31,461
Available for sale, gross unrealized gains
Available for sale, gross unrealized losses	(7,619)	(7,106)
Available for sale, fair value	23,580	24,355
Held-to-maturity, amortized cost	336	360
Held-to-maturity, gross unrealized gains		1
Held-to-maturity, gross unrealized losses	(39)	(35)
Held-to-maturity, fair value	297	326
Taxable Municipal Bonds [Member]
Marketable Securities [Line Items]
Available for sale, amortized cost	16,682	16,690
Available for sale, gross unrealized gains
Available for sale, gross unrealized losses	(4,779)	(4,480)
Available for sale, fair value	11,903	12,210
SBA Pool Securities [Member]
Marketable Securities [Line Items]
Available for sale, amortized cost	675	706
Available for sale, gross unrealized gains
Available for sale, gross unrealized losses	(16)	(16)
Available for sale, fair value	659	690
Collateralized Mortgage Obligations [Member]
Marketable Securities [Line Items]
Available for sale, amortized cost	134	138
Available for sale, gross unrealized gains
Available for sale, gross unrealized losses	(18)	(15)
Available for sale, fair value	116	123
Held-to-maturity, amortized cost	336	353
Held-to-maturity, gross unrealized gains
Held-to-maturity, gross unrealized losses	(39)	(35)
Held-to-maturity, fair value	297	318
Collateralized Mortgage-Backed Securities [Member]
Marketable Securities [Line Items]
Available for sale, amortized cost	13,708	13,927
Available for sale, gross unrealized gains
Available for sale, gross unrealized losses	(2,806)	(2,595)
Available for sale, fair value	10,902	11,332
Held-to-maturity, amortized cost		7
Held-to-maturity, gross unrealized gains		1
Held-to-maturity, gross unrealized losses
Held-to-maturity, fair value		$ 8

Amortized cost of 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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