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Investment Securities - Schedule of amortized cost and estimated fair value of Available for sale securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023		Jun. 30, 2023
Available for sale
Amortized Cost	$ 2,142		$ 2,217
Gross Unrealized Gains	0		0
Gross Unrealized (Losses)	(52)		(62)
Estimated Fair Value	2,090		2,155
U.S. government agency MBS
Available for sale
Amortized Cost	1,379		1,417
Gross Unrealized Gains	0		0
Gross Unrealized (Losses)	(39)		(47)
Estimated Fair Value	1,340		1,370
U.S. government sponsored enterprise MBS
Available for sale
Amortized Cost	662		697
Gross Unrealized Gains	0		0
Gross Unrealized (Losses)	(10)		(14)
Estimated Fair Value	652		683
Private issue CMO
Available for sale
Amortized Cost	101	[1]	103
Gross Unrealized Gains	0	[1]	0
Gross Unrealized (Losses)	(3)	[1]	(1)
Estimated Fair Value	$ 98	[1]	$ 102
[1] Collateralized Mortgage Obligations (“CMO”).

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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