Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details)

v3.8.0.1
Net Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Numerator:        
Net loss applicable to common stockholders, Basic $ (6,335) $ (11,494) $ (20,144) $ (28,239)
Adjustment for revaluation of warrant liability 0 0 0 (3,030)
Net loss applicable to common stockholders, Diluted $ (6,335) $ (11,494) $ (20,144) $ (31,269)
Denominator:        
Weighted-average number of shares, basic 34,720 19,005 27,425 16,888
Effect of dilutive warrants 0 0 0 707
Weighted-average numbers of shares, diluted 34,720 19,005 27,425 17,595
Net loss per share, basic $ (0.18) $ (0.60) $ (0.73) $ (1.67)
Net loss per share, diluted $ (0.18) $ (0.60) $ (0.73) $ (1.78)