Debt Securities - Amortized cost and fair value with unrealized gains(losses) (Details) - USD ($)	6 Months Ended	12 Months Ended
Dec. 31, 2022	Jun. 30, 2022
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 42,802,337	$ 27,146,004
Gross Unrealized Gains	2,002	8,405
Gross Unrealized Losses	3,386,634	2,659,999
Totals	39,417,705	24,494,410
U.S. Government agencies
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	6,000,000	6,000,000
Gross Unrealized Losses	469,410	318,720
Totals	5,530,590	5,681,280
Sponsored Enterprises (GSEs)
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	27,178,478	17,022,130
Gross Unrealized Gains	2,002	8,405
Gross Unrealized Losses	2,017,065	1,629,577
Totals	25,163,415	15,400,958
Collateralized mortgage obligations
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	4,055,639
Gross Unrealized Losses	65,827
Totals	3,989,812
Subordinated debt
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,000,000
Gross Unrealized Losses	72,490
Totals	927,510
State and political subdivisions
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	4,568,220	4,123,874
Gross Unrealized Losses	761,842	711,702
Totals	$ 3,806,378	$ 3,412,172

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amount of unrealized 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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