Quarterly report pursuant to Section 13 or 15(d)

CONDENSED BALANCE SHEETS (Parenthetical)

v3.8.0.1
CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Preferred Stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred Stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred Stock, shares outstanding (in shares) 0 0
Common Stock, par value (in dollars per share) $ 0.001 $ 0.001
Common Stock, shares authorized (in shares) 142,500,000 142,500,000
Common Stock, shares outstanding (in shares) 63,822,028 63,259,781