Balance Sheets (Unaudited) (Parentheticals) - USD ($)	Dec. 31, 2022	Jun. 30, 2022
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance (in Dollars)	$ 3,000	$ 3,000
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,129,874	3,129,874
Common stock, shares outstanding	2,702,633	2,702,633
Unearned ESOP shares	245,049	256,293
Common stock, par value (in Dollars per share)	$ 0.33	$ 0.33
Treasury stock, shares	427,241	427,241