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Investment Securities (Tables)
 12 Months Ended
Jun. 30, 2025
Investment Securities [Abstract]  
Schedule of Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Available-For-Sale Debt Securities The cost, gross unrealized gains, gross unrealized losses and fair value debt securities by major security type at June 30, 2025 and June 30, 2024 are as follows:
       Gross   Gross     
   Amortized   Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
June 30, 2025                
Certificates of deposit  $23,539,000   $
—
   $
—
   $23,539,000 
Municipal bonds   1,163,567    14,678    
—
    1,178,245 
U.S. Treasury bills   
—
    
—
    
—
    
—
 
Total investment securities  $24,702,567   $14,678   $
—
   $24,717,245 

 

       Gross   Gross     
   Amortized   Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
June 30, 2024                
Certificates of deposit  $17,651,000   $
—
   $
—
   $17,651,000 
Municipal bonds   709,059    5,824    (3,313)   711,570 
U.S. Treasury bills   510,288    5,773    
—
    516,061 
Total investment securities  $18,870,347   $11,597   $(3,313)  $18,878,631 
Schedule of Contractual Maturities of Available-for-Sale Debt Securities

As of June 30, 2025 and June 30, 2024, the remaining contractual maturities of available-for-sale debt securities were as follows:

 

   Years to Maturity     
   Less than   One to     
   One Year   Five Years   Total 
June 30, 2025               
Available-for-sale  $22,933,933   $1,783,312   $24,717,245 
                
June 30, 2024               
Available-for-sale  $17,889,582   $989,049   $18,878,631