Debt Securities - Continuous unrealized loss position (Details) - USD ($)	Jun. 30, 2024	Jun. 30, 2023
Debt Securities, Available-for-sale, Unrealized losses
Less than 12 months	$ (469)	$ (109,618)
Over 12 months	(991,692)	(931,037)
Total gross unrealized losses	(992,162)	(1,040,655)
Debt Securities, Available-for-sale, Fair value
Less than 12 months	135,650	1,287,089
Over 12 months	6,147,275	7,391,645
Fair value	6,282,925	8,678,734
States and municipalities
Debt Securities, Available-for-sale, Unrealized losses
Less than 12 months	(341)	(16,739)
Over 12 months	(3,685)
Total gross unrealized losses	(4,026)	(16,739)
Debt Securities, Available-for-sale, Fair value
Less than 12 months	119,311	768,052
Over 12 months	351,251
Fair value	470,562	768,052
Mortgage-backed
Debt Securities, Available-for-sale, Unrealized losses
Less than 12 months	(128)	(2,879)
Over 12 months	(77,668)	(108,338)
Total gross unrealized losses	(77,796)	(111,217)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months		(138,043)
Total gross unrealized losses		(138,043)
Debt Securities, Available-for-sale, Fair value
Less than 12 months	16,339	109,037
Over 12 months	1,167,758	1,615,016
Fair value	1,184,097	1,724,053
Debt Securities, Held-to-maturity, Fair value
Less than 12 months		378,046
Fair value		378,046
Corporate bonds
Debt Securities, Available-for-sale, Unrealized losses
Less than 12 months		(90,000)
Over 12 months	(910,339)	(822,699)
Total gross unrealized losses	(910,340)	(912,699)
Debt Securities, Available-for-sale, Fair value
Less than 12 months		410,000
Over 12 months	4,628,266	5,776,629
Fair value	$ 4,628,266	$ 6,186,629

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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