Balance Sheets (Parentheticals) - $ / shares	Oct. 31, 2017	Jul. 31, 2017
Statement of Financial Position [Abstract]
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	150,000,000	150,000,000
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares issued	17,990,000	17,990,000
Common stock, shares outstanding	17,990,000	17,990,000