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Investment Securities - Schedule of amortized cost and estimated fair value of Available for sale securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Jun. 30, 2022
Available for sale    
Amortized Cost $ 2,433 $ 2,681
Gross Unrealized Gains 0 10
Gross Unrealized (Losses) (56) (15)
Estimated Fair Value 2,377 2,676
U.S. government agency MBS    
Available for sale    
Amortized Cost 1,569 1,698
Gross Unrealized Gains 0 6
Gross Unrealized (Losses) (36) (6)
Estimated Fair Value 1,533 1,698
U.S. government sponsored enterprise MBS    
Available for sale    
Amortized Cost 754 865
Gross Unrealized Gains 0 4
Gross Unrealized (Losses) (12) (4)
Estimated Fair Value 742 865
Private issue CMO    
Available for sale    
Amortized Cost 110 [1] 118
Gross Unrealized Gains 0 [1] 0
Gross Unrealized (Losses) (8) [1] (5)
Estimated Fair Value $ 102 [1] $ 113
[1] Collateralized Mortgage Obligations (“CMO”).