Loss Per Common And Common Stock Equivalent Share (Reconciliation of Numerator and Denominator Used to Calculate Basic and Diluted (Loss) Income per Share) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Loss Per Common And Common Stock Equivalent Share [Abstract]
Net loss	$ (316,742)	$ (313,780)	$ (642,135)	$ (840,542)
Weighted average shares, basic (in shares)	9,375,795	9,254,795	9,346,952	9,243,559
Diluted shares (in shares)	9,375,795	9,254,795	9,346,952	9,243,559
Basic (in dollars per share)	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.09)
Diluted (in dollars per share)	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.09)
Anti-dilutive shares	354,000	700,911	401,883	729,384