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CONSOLIDATED BALANCE SHEETS (Parenthetical) - ₪ / shares
Dec. 31, 2016
Dec. 31, 2015
Common stock, par value ₪ 0.01 ₪ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 27,867,119 27,865,244
Common stock, shares outstanding 27,562,795 27,560,920
Treasury stock, shares 304,324 304,324