Consolidated Balance Sheets (Parentheticals) - $ / shares	Jul. 31, 2023	Jul. 31, 2022
Consolidated Balance Sheets
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, shares authorized	550,000,000	550,000,000
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares issued	41,410,000	39,210,000
Common stock, shares outstanding	41,410,000	39,210,000
Treasury stock, shares	6,000,000	0