Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.7.0.1
Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Balance Sheets [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 57,152,399 55,801,742
Common stock, shares outstanding 57,152,399 55,801,742