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Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2019
Jun. 30, 2018
Feb. 14, 2017
Sep. 19, 2016
Stockholders' deficiency:        
Preferred stock, par value $ 0.001 $ 0.001   $ 0.001
Preferred stock, authorized 25,000,000 25,000,000 25,000,000  
Preferred stock, issued 0 0 0  
Preferred stock, outstanding 0 0 0  
Common stock, par value $ 0.001 $ 0.001    
Common stock, authorized 500,000,000 500,000,000 500,000,000 256,000,000
Common stock, issued 4,400,048 4,400,048 4,400,000  
Common stock, outstanding 4,400,048 4,400,048 4,400,000