Condensed Consolidated Interim Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2018	Jun. 30, 2018	Jun. 30, 2017
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000	50,000,000
Common stock, shares issued	25,474,954	23,074,954	23,074,954
Common stock, shares outstanding	25,474,954	23,074,954	23,074,954