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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Ordinary shares, par value $ 0.00 $ 0.00
Ordinary shares, authorized 100,000,000 100,000,000
Ordinary shares, shares issued 40,760,163 40,231,159
Ordinary shares, shares outstanding 40,760,163 40,231,159