Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.8.0.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Preferred stock    
Par value (in dollars per share) $ 0.001 $ 0.001
Shares authorized (in shares) 10,000,000 10,000,000
Shares issued (in shares) 2,907 4,963
Shares outstanding (in shares) 2,907 4,963
Common stock    
Par value (in dollars per share) $ 0.001 $ 0.001
Shares authorized (in shares) 300,000,000 300,000,000
Shares issued (in shares) 53,974,184 45,017,062
Shares outstanding (in shares) 53,974,184 45,017,062