Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.5.0.2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2016
Dec. 31, 2015
Condensed Consolidated Balance Sheets    
Preferred stock, par value (in dollars per share) $ 0.005 $ 0.005
Preferred stock, shares authorized 50,000,000 50,000,000
Common stock, par value (in dollars per share) $ 0.005 $ 0.005
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 55,101,301 53,925,415
Common stock, shares outstanding 42,770,725 41,979,126
Treasury stock, shares 12,330,576 11,946,289