Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 250,000,000 250,000,000
Common stock, shares, issued 118,017,693 117,254,196
Common stock, shares outstanding 117,936,211 117,172,714