Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parentheticals)

v3.5.0.2
Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares
Jun. 30, 2016
Dec. 31, 2015
Statement Of Financial Position [Abstract]    
Ordinary shares, par value (in dollars per shares) $ 0.001 $ 0.001
Ordinary shares, authorized 490,000,000 490,000,000
Ordinary shares, issued 232,365,986 232,179,786
Ordinary shares, outstanding 227,054,025 227,815,301
Treasury stock, shares 5,311,961 4,364,485