Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Tables)

Net Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded from Calculations of Net Loss Per Share

The following table sets forth the number of potential common shares excluded from the calculations of net loss per diluted share because their inclusion would be anti-dilutive (in thousands):


    For the three months ended
September 30
    For the nine months ended
September 30
    2018     2017     2018     2017  
Options to purchase common stock     1,351       21,344       1,351       21,344  
Warrants to purchase common stock     243       6,275       243       6,275  
Total     1,594       27,619       1,594       27,619