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Summary of Significant Accounting Policies Text Tags (Details) - USD ($)
3 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2003
Mar. 31, 2024
Mar. 31, 2023
Accounting Policies [Abstract]          
Proceeds from Issuance of Long-term Debt $ 1,814,000 $ 0 $ 13,000,000    
Proceeds from (Payments for) Other Financing Activities     $ 400,000    
Financing Receivable, Allowance for Credit Loss [Line Items]          
Retained Earnings (Accumulated Deficit) (53,761,000)     $ (51,549,000)  
Allowance for Credit Loss, Excluding Accrued Interest 5,955,000 5,858,000   $ 5,871,000 $ 5,229,000
Proceeds from Sale of Held-to-Maturity Securities $ 0 0      
Cumulative Effect, Period of Adoption, Adjustment [Member]          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Retained Earnings (Accumulated Deficit)   (668,000)      
Allowance for Credit Loss, Excluding Accrued Interest   $ 668,000