Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock	Additional Paid In Capital	Retained Earnings	Common Stock Held in Treasury	Total
Balance at Jul. 31, 2021	$ 2,178,297	$ 3,346,245	$ 49,863,350	$ (1,287,852)	$ 54,100,040
Net income (loss)			(390,750)		(390,750)
Balance at Oct. 31, 2021	2,178,297	3,346,245	49,472,600	(1,287,852)	53,709,290
Balance at Jul. 31, 2022	2,178,297	3,346,245	49,150,979	(1,287,852)	53,387,669
Net income (loss)			59,517		59,517
Balance at Oct. 31, 2022	$ 2,178,297	$ 3,346,245	$ 49,210,496	$ (1,287,852)	$ 53,447,186