v3.25.2
Note 6 - Borrowings and Subordinated Notes (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 14, 2021
Mar. 31, 2025
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2020
Dec. 31, 2024
Repayments of Subordinated Debt           $ 464,000 $ 906,000    
Gain (Loss) on Extinguishment of Debt [1]       $ 0 $ 0 42,000 $ 107,000    
Federal Home Loan Bank Advances [Member]                  
Debt, Long-Term and Short-Term, Combined Amount       0   0     $ 0
Line of Credit [Member] | Unsecured Debt [Member]                  
Line of Credit, Current               $ 5,000,000  
Debt Instrument, Prime Rate Floor               2.40%  
Prime Rate [Member] | Line of Credit [Member] | Unsecured Debt [Member]                  
Debt Instrument, Basis Spread on Variable Rate               0.50%  
The 3.75 Percent Fixed-to-Floating Rate Subordinated Notes [Member]                  
Debt Instrument, Face Amount $ 20,000,000                
Debt Instrument, Interest Rate, Stated Percentage 3.75%                
Debt Issuance Costs, Net, Total $ 441,000     $ 237,000   $ 237,000     $ 264,000
Debt Instrument, Term (Year) 10 years                
Repayments of Subordinated Debt   $ 500,000 $ 1,000,000            
Gain (Loss) on Extinguishment of Debt   $ 42,000 $ 107,000            
The 3.75 Percent Fixed-to-Floating Rate Subordinated Notes [Member] | Secured Overnight Financing Rate (SOFR) [Member]                  
Debt Instrument, Basis Spread on Variable Rate 2.99%                
[1] Not within the scope of ASC 606