Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Share (Tables)

v3.8.0.1
Net Loss per Share (Tables)
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of the Company’s basic and diluted net loss per share for the periods presented:
  
 
 
Three Months Ended 
March 31,
 
 
 
2018
 
2017
 
Net loss
 
$
4,503,920
 
$
(2,369,833)
 
 
 
 
 
 
 
 
 
Weighted-average common shares used in computing net loss per share, basic and diluted
 
 
14,595,196
 
 
9,344,226
 
 
 
 
 
 
 
 
 
Net loss per share, basic and diluted
 
$
(0.31)
 
$
(0.25)
 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
The following securities were excluded from the computation of diluted net loss per share for the periods presented because including them would have been anti-dilutive:
  
 
 
Three Months Ended 
March 31,
 
 
 
2018
 
2017
 
Stock options (exercise price $1.30 - $4.50 per share)
 
 
725,000
 
 
500,000
 
Warrants (exercise price $1.10 - $7.43)
 
 
4,546,824
 
 
565,813
 
Total common stock equivalents
 
 
5,271,824
 
 
1,065,813