Investment Securities - Schedule of amortized cost and estimated fair value of Available for sale securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024		Jun. 30, 2023
Available for sale
Amortized Cost	$ 1,861		$ 2,217
Gross Unrealized Gains	5		0
Gross Unrealized (Losses)	(17)		(62)
Estimated Fair Value	1,849		2,155
US Government Agencies Debt Securities [Member]
Available for sale
Amortized Cost	1,222	[1]	1,417
Gross Unrealized Gains	0	[1]	0
Gross Unrealized (Losses)	(14)	[1]	(47)
Estimated Fair Value	1,208	[1]	1,370
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Available for sale
Amortized Cost	548	[1]	697
Gross Unrealized Gains	5	[1]	0
Gross Unrealized (Losses)	0	[1]	(14)
Estimated Fair Value	553	[1]	683
Collateralized Mortgage Obligations [Member]
Available for sale
Amortized Cost	91	[2]	103
Gross Unrealized Gains	0	[2]	0
Gross Unrealized (Losses)	(3)	[2]	(1)
Estimated Fair Value	$ 88	[2]	$ 102

[1] Mortgage-backed securities (“MBS”)

[2] Collateralized mortgage obligations (“CMO”)