Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Tables)

v3.7.0.1
Warrant Liability (Tables)
6 Months Ended
Jun. 30, 2017
Warrant Liability [Abstract]  
Schedule of Assumptions Used [Table Text Block]
The assumptions used in the BSM and MCM models for the Warrants are as follows:
 
 
 
Six Months Ended June 30,
 
Year Ended December 31,
 
 
 
2017
 
2016
 
Risk-free interest rate
 
0.54%-1.96%
 
 
-
 
Volatility
 
80.00%-160.11%
 
 
-
 
Expected life (years)
 
0.25-5.0
 
 
-
 
Dividend yield
 
0.00%
 
 
-
 
Schedule of Warrant Activity [Table Text Block]
A summary of our Warrant activity and related information follows:
 
 
 
Number of
 
Range of
 
Weighted
 
Weighted Average
 
 
 
Shares Under
 
Warrant Price
 
Average
 
Remaining
 
Description
 
Warrant
 
per Share
 
Exercise Price
 
Contractual Life
 
Balance at January 1, 2017
 
 
 
 
 
 
 
 
 
Granted
 
 
8,235,923
 
 
$1.35-$1.50
 
$
1.43
 
 
1.6
 
Exercised
 
 
(2,200,195)
 
 
-
 
$
1.46
 
 
-
 
Expired
 
 
(5,087,717)
 
 
-
 
$
1.40
 
 
-
 
Balance at June 30, 2017
 
 
948,011
 
 
-
 
$
1.46
 
 
4.63
 
Vested and Exercisable at June 30, 2017
 
 
948,011
 
 
$1.35-$1.50
 
$
1.46
 
 
4.63