BALANCE SHEETS - Parenthetical - USD ($)	Mar. 31, 2026	Mar. 31, 2025
Details {1}
Marketable securities, short-term, amortized cost	$ 18,118,460	$ 13,730,266
Marketable securities, long-term, amortized cost	$ 23,726,027	$ 26,353,692
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	4,837,166	4,837,166
Common Stock, Shares, Outstanding	4,837,166	4,837,166