Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical)

v3.5.0.2
CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - $ / shares
Jun. 30, 2016
Dec. 31, 2015
Statement Of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.05 $ 0.05
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.0075 $ 0.0075
Common stock, shares authorized (in shares) 277,333,332 277,333,332
Common stock, shares issued (in shares) 120,583,797 119,045,592
Common stock, shares outstanding (in shares) 120,583,797 119,045,592