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BALANCE SHEETS - Parenthetical - USD ($)
Mar. 31, 2023
Mar. 31, 2022
BALANCE SHEETS    
Accounts Receivable, Allowance for Credit Loss, Current $ 15,000 $ 15,000
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 6,000,000 6,000,000
Common Stock, Shares, Issued 4,830,826 4,830,826
Common Stock, Shares, Outstanding 4,830,826 4,830,826