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Loans (Details) - Schedule of allowance for loan losses by portfolio segment - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
One- to four-family [Member]
Residential real estate:
Beginning balance	$ 685	$ 795
Provision for loan losses	49	41
Loans charged off	(65)	(190)
Recoveries	2	39
Ending balance	671	685
Multi-family [Member]
Residential real estate:
Beginning balance	200	225
Provision for loan losses	(16)	(25)
Loans charged off
Recoveries
Ending balance	184	200
Construction [Member]
Residential real estate:
Beginning balance	6	8
Provision for loan losses		(2)
Loans charged off
Recoveries
Ending balance	6	6
Land [Member]
Residential real estate:
Beginning balance	1	1
Provision for loan losses
Loans charged off
Recoveries
Ending balance	1	1
Farm [Member]
Residential real estate:
Beginning balance	6	6
Provision for loan losses	(2)
Loans charged off
Recoveries
Ending balance	4	6
Nonresidential real estate [Member]
Residential real estate:
Beginning balance	336	321
Provision for loan losses	69	15
Loans charged off
Recoveries
Ending balance	405	336
Commercial and industrial [Member]
Residential real estate:
Beginning balance	5	3
Provision for loan losses	(2)	2
Loans charged off
Recoveries
Ending balance	3	5
Loans on deposits [Member]
Residential real estate:
Beginning balance	3	3
Provision for loan losses	(1)
Loans charged off
Recoveries
Ending balance	2	3
Home equity [Member]
Residential real estate:
Beginning balance	14	13
Provision for loan losses	(3)	1
Loans charged off
Recoveries
Ending balance	11	14
Auto [Member]
Residential real estate:
Beginning balance
Provision for loan losses	8
Loans charged off	(8)
Recoveries
Ending balance
Unsecured [Member]
Residential real estate:
Beginning balance		1
Provision for loan losses	1	(21)
Loans charged off
Recoveries		20
Ending balance	1
Unallocated [Member]
Residential real estate:
Beginning balance	200	200
Provision for loan losses
Loans charged off
Recoveries
Ending balance	200	200
Total [Member]
Residential real estate:
Beginning balance	1,456	1,576
Provision for loan losses	103	11
Loans charged off	(73)	(190)
Recoveries	2	59
Ending balance	$ 1,488	$ 1,456

X

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

No definition available.

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X

- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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