Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock	Additional Paid In Capital	Retained Earnings	Common Stock Held in Treasury	Total
Beginning balance, value at Jul. 31, 2022	$ 2,178,297	$ 3,346,245	$ 49,150,979	$ (1,287,852)	$ 53,387,669
Net income (loss)			65,095		65,095
Ending balance, value at Apr. 30, 2023	2,178,297	3,346,245	49,216,074	(1,287,852)	53,452,764
Beginning balance, value at Jan. 31, 2023	2,178,297	3,346,245	49,255,234	(1,287,852)	53,491,924
Net income (loss)			(39,160)		(39,160)
Ending balance, value at Apr. 30, 2023	2,178,297	3,346,245	49,216,074	(1,287,852)	53,452,764
Beginning balance, value at Jul. 31, 2023	2,178,297	3,346,245	49,068,015	(1,287,852)	53,304,705
Net income (loss)			(375,483)		(375,483)
Ending balance, value at Apr. 30, 2024	2,178,297	3,346,245	48,692,532	(1,287,852)	52,929,222
Beginning balance, value at Jan. 31, 2024	2,178,297	3,346,245	48,777,412	(1,287,852)	53,014,102
Net income (loss)			(84,880)		(84,880)
Ending balance, value at Apr. 30, 2024	$ 2,178,297	$ 3,346,245	$ 48,692,532	$ (1,287,852)	$ 52,929,222