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Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	$ 540	$ 1,040
Available-for-sale Securities, Gross unrealized/ unrecognized gains	5	5
Available-for-sale Securities, Gross unrealized/ unrecognized losses
Available-for-sale Securities, Estimated fair value	545	1,045
Held-to-maturity Securities
Held-to-maturity Securities, Estimated fair value	641	775
U.S. Treasury securities [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost		496
Available-for-sale Securities, Gross unrealized/ unrecognized gains		1
Available-for-sale Securities, Gross unrealized/ unrecognized losses
Available-for-sale Securities, Estimated fair value		497
Agency mortgage-backed: residential [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	39	43
Available-for-sale Securities, Gross unrealized/ unrecognized gains
Available-for-sale Securities, Gross unrealized/ unrecognized losses
Available-for-sale Securities, Estimated fair value	39	43
Held-to-maturity Securities
Held-to-maturity Securities, Amortized cost	625	775
Held-to-maturity Securities, Gross unrealized/ unrecognized gains	19	14
Held-to-maturity Securities, Gross unrealized/ unrecognized losses	3	14
Held-to-maturity Securities, Estimated fair value	641	775
Agency bonds [Member]
Available-for-sale Securities
Available-for-sale Securities, Amortized cost	501	501
Available-for-sale Securities, Gross unrealized/ unrecognized gains	5	4
Available-for-sale Securities, Gross unrealized/ unrecognized losses
Available-for-sale Securities, Estimated fair value	$ 506	$ 505

X

- Definition

Amortized cost 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 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&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 http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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+ References

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Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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