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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - ₪ / shares
Jun. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Ordinary shares, par value (in ILS per share) ₪ 0.01 ₪ 0.01
Ordinary shares, shares authorized (in shares) 250,000,000 250,000,000
Ordinary shares, shares issued (in shares) 20,109,163 16,338,257
Ordinary shares, shares outstanding (in shares) 20,109,163 16,338,257