Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parentheticals)

v3.3.1.900
Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Statement Of Financial Position [Abstract]    
Ordinary shares, par value (in dollars per share) $ 0.001 $ 0.001
Ordinary shares, authorized 490,000,000 490,000,000
Ordinary shares, issued 232,179,786 230,116,780
Ordinary shares, outstanding 227,815,301 227,630,430
Ordinary shares, treasury stock 4,364,485 2,486,350