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Investment Securities (Tables)
6 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-Sale Securities
       Gross   Gross     
   Amortized   Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
December 31, 2022                    
Certificates of deposit  $9,700,000   $
   $
   $9,700,000 
Municipal bonds  $72,225   $
   $(3,755)  $68,470 
U.S. Treasury Bills  $296,439   $2,468   $
   $298,907 
Total investment securities  $10,068,664   $2,468   $(3,755)  $10,067,377 
                     
                     
June 30, 2022                    
Certificates of deposit  $3,639,000   $
   $
   $3,639,000 
Municipal bonds  $72,225   $
   $(2,446)  $69,779 
Total investment securities  $3,711,225   $
   $(2,446)  $3,708,779 

Schedule of Contractual Maturities
   Years to Maturity     
   Less than   One to     
   One Year   Five Years   Total 
December 31, 2022               
Available-for-sale  $
9,998,908
   $68,469   $10,067,377 
                
June 30, 2022               
Available-for-sale  $3,639,000   $69,779   $3,708,779