v3.26.1
REGULATORY CAPITAL REQUIREMENTS (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
REGULATORY CAPITAL REQUIREMENTS    
Percentage of Capital Conservation Buffer 2.50% 2.50%
Total Capital (to Risk-Weighted Assets), Actual Amount $ 29,534 $ 28,255
Total Capital (to Risk-Weighted Assets), Actual Ratio 0.257 0.252
Total Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 9,180 $ 8,976
Total Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.08 0.08
Total Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 11,475 $ 11,221
Total Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.10 0.10
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount $ 28,384 $ 27,133
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio 0.247 0.242
Tier 1 Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 6,885 $ 6,732
Tier 1 Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.06 0.06
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 9,180 $ 8,976
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.08 0.08
Tier 1 Common Equity (to Risk-Weighted Assets), Actual Amount $ 28,384 $ 27,133
Tier 1 Common Equity (to Risk-Weighted Assets), Actual Ratio 0.247 0.242
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 5,164 $ 5,049
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.045 0.045
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 7,459 $ 7,293
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.065 0.065
Tier 1 Leverage Ratio (to Adjusted Total Assets), Actual Amount $ 28,384 $ 27,133
Tier 1 Leverage Ratio (to Adjusted Total Assets), Actual Ratio 0.145 0.139
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum Capital Requirement, Amount $ 7,814 $ 7,798
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum Capital Requirement, Ratio 0.04 0.04
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 9,767 $ 9,747
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.05 0.05
Capital Conservation Buffer on Tier 1 Common Equity, Actual Amount $ 29,534 $ 28,255
Capital Conservation Buffer on Tier 1 Common Equity, Actual Ratio 0.177 0.172
Capital Conservation Buffer on Tier 1 Common Equity, Minimum Capital Requirement, Amount $ 8,033 $ 7,854
Capital Conservation Buffer on Tier 1 Common Equity, Minimum Capital Requirement, Ratio 0.07 0.07
Muni Bank    
REGULATORY CAPITAL REQUIREMENTS    
Total Capital (to Risk-Weighted Assets), Actual Amount $ 15,088 $ 14,571
Total Capital (to Risk-Weighted Assets), Actual Ratio 0.928 0.939
Total Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 1,301 $ 1,242
Total Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.08 0.08
Total Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 1,626 $ 1,552
Total Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.10 0.10
Tier 1 Capital (to Risk-Weighted Assets), Actual Amount $ 15,088 $ 14,571
Tier 1 Capital (to Risk-Weighted Assets), Actual Ratio 0.928 0.939
Tier 1 Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 975 $ 931
Tier 1 Capital (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.06 0.06
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 1,301 $ 1,242
Tier 1 Capital (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.08 0.08
Tier 1 Common Equity (to Risk-Weighted Assets), Actual Amount $ 15,088 $ 14,571
Tier 1 Common Equity (to Risk-Weighted Assets), Actual Ratio 0.928 0.939
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum Capital Requirement, Amount $ 732 $ 699
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum Capital Requirement, Ratio 0.045 0.045
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 1,057 $ 1,009
Tier 1 Common Equity (to Risk-Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.065 0.065
Tier 1 Leverage Ratio (to Adjusted Total Assets), Actual Amount $ 15,088 $ 14,571
Tier 1 Leverage Ratio (to Adjusted Total Assets), Actual Ratio 0.445 0.40
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum Capital Requirement, Amount $ 1,357 $ 1,458
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum Capital Requirement, Ratio 0.04 0.04
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount $ 1,696 $ 1,822
Tier 1 Leverage Ratio (to Adjusted Total Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio 0.05 0.05
Capital Conservation Buffer on Tier 1 Common Equity, Actual Amount $ 15,088 $ 14,571
Capital Conservation Buffer on Tier 1 Common Equity, Actual Ratio 0.848 0.859
Capital Conservation Buffer on Tier 1 Common Equity, Minimum Capital Requirement, Amount $ 1,138 $ 1,087
Capital Conservation Buffer on Tier 1 Common Equity, Minimum Capital Requirement, Ratio 0.07 0.07