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Warrants (Tables)
12 Months Ended
Dec. 31, 2017
Warrants and Rights Note Disclosure [Abstract]  
Schedule Of Changes In Warrants Activity
The following table summarizes information about warrant activity during the years ended December 31, 2017 and 2016:
 
 
 
No. of warrants
 
Weighted average 
exercise price
 
Exercise
price range
 
December 31, 2016
 
 
3,506,679
 
$
4.77
 
$
3.00 – 17.60
 
Granted
 
 
 
$
 
$
3.00
 
Exercised
 
 
 
 
 
 
 
Expired
 
 
(419,179)
 
$
17.60
 
$
17.60
 
December 31, 2017
 
 
3,087,500
 
$
3.03
 
$
3.00 – 5.00
 
Schedule Of Warrants Outstanding
The Company’s outstanding equity warrants as of December 31, 2017 consist of the following:
 
 
 
No. outstanding
 
Exercise price
 
Remaining 
contractual life
 
Expiration Date
 
October 2015 Warrants
 
 
50,000
 
$
5.00
 
3.29 years
 
April 15, 2021
 
December 2016 Warrants
 
 
2,500,000
 
$
3.00
 
3.98 years
 
December 23, 2021
 
Outstanding as of December 31, 2017
 
 
2,550,000
 
 
 
 
 
 
 
 
 
The Company’s outstanding derivative warrants as of December 31, 2017 consist of the following:
 
 
 
No. outstanding
 
Exercise price
 
Remaining
contractual life
 
Expiration Date
 
May 2015 Warrants
 
 
537,500
 
$
3.00
 
2.34 years
 
May 4, 2020