Stockholders' Deficiency (Tables)
|
6 Months Ended |
12 Months Ended |
Jun. 30, 2016 |
Dec. 31, 2015 |
Equity [Abstract] |
|
|
Summary of Black-Scholes Option Pricing Model to Stock Options Granted Assumption |
In applying the
Black-Scholes option pricing model to stock options granted, the Company used the following assumptions:
|
|
For the Six Months Ended
June 30,
|
|
|
|
2016 |
|
|
2014 |
|
Risk free interest rate |
|
|
0.73% - 0.90 |
% |
|
|
0.63% - 1.21 |
% |
Expected term (years) |
|
|
2.50 |
|
|
|
2.50 - 3.50 |
|
Expected volatility |
|
|
102% - 118 |
% |
|
|
87% - 101 |
% |
Expected dividends |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
In applying the
Black-Scholes option pricing model to stock options granted, the Company used the following assumptions:
|
|
For the Year Ended
December 31,
|
|
|
|
2015 |
|
|
2014 |
|
Risk free interest rate |
|
|
0.63% - 1.12 |
% |
|
|
0.46% - 1.77 |
% |
Expected term (years) |
|
|
2.50 - 5.00 |
|
|
|
2.50 - 4.00 |
|
Expected volatility |
|
|
87% - 128 |
% |
|
|
85% - 141 |
% |
Expected dividends |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
Summary of Options Activity |
A summary of the
option activity during the six months ended June 30, 2016 is presented below:
|
|
Number of
Shares
|
|
|
Weighted
Average
Exercise Price
|
|
|
Weighted
Average
Remaining
Life In Years
|
|
|
Aggregate
Intrinsic
Value
|
|
Outstanding, December 31, 2015 |
|
|
7,781,667 |
|
|
$ |
1.15 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
130,000 |
|
|
|
0.38 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(146,667 |
) |
|
|
0.75 |
|
|
|
|
|
|
|
|
|
Outstanding, June 30, 2016 |
|
|
7,765,000 |
|
|
$ |
1.14 |
|
|
|
2.3 |
|
|
$ |
21,600 |
|
Exercisable, June 30, 2016 |
|
|
6,871,000 |
|
|
$ |
1.19 |
|
|
|
2.2 |
|
|
$ |
21,600 |
|
|
A summary of the
option activity during the years ended December 31, 2015 and 2014 is presented below:
|
|
Number of
Shares
|
|
|
Weighted
Average
Exercise Price
|
|
|
Weighted
Average
Remaining Life
In Years
|
|
|
Aggregate
Intrinsic Value
|
|
Outstanding, December 31, 2013 |
|
|
4,943,665 |
|
|
$ |
1.43 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
3,198,000 |
|
|
|
0.96 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(451,000 |
) |
|
|
1.33 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2014 |
|
|
7,690,665 |
|
|
$ |
1.24 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
1,190,000 |
|
|
|
0.60 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(1,098,998 |
) |
|
|
1.18 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2015 |
|
|
7,781,667 |
|
|
$ |
1.15 |
|
|
|
2.8 |
|
|
$ |
|
|
Exercisable, December 31, 2015 |
|
|
6,460,333 |
|
|
$ |
1.22 |
|
|
|
2.6 |
|
|
$ |
|
|
|
Schedule of Stock Options |
|
The following table presents information
related to stock options at December 31, 2015:
|
|
|
Options Outstanding |
|
|
Options Exercisable |
|
Range of
Exercise
Price
|
|
|
Weighted
Average
Exercise Price
|
|
|
Outstanding
Number of
Options
|
|
|
Weighted
Average
Remaining Life
In Years
|
|
|
Exercisable
Number of Options
|
|
$0.17 - $0.54 |
|
|
$ |
0.47 |
|
|
|
675,000 |
|
|
|
3.5 |
|
|
|
675,000 |
|
$0.55 - $1.00 |
|
|
|
0.84 |
|
|
|
2,340,002 |
|
|
|
3.9 |
|
|
|
1,018,668 |
|
$1.01 - $1.45 |
|
|
|
1.16 |
|
|
|
1,431,665 |
|
|
|
2.5 |
|
|
|
1,431,665 |
|
$1.46 - $1.56 |
|
|
|
1.46 |
|
|
|
2,585,000 |
|
|
|
2.0 |
|
|
|
2,585,000 |
|
$1.57 - $1.61 |
|
|
|
1.61 |
|
|
|
750,000 |
|
|
|
2.0 |
|
|
|
750,000 |
|
|
|
|
|
|
|
|
|
7,781,667 |
|
|
|
2.6 |
|
|
|
6,460,333 |
|
|
Summary of Warrants Activity |
A summary of the
warrant activity during the six months ended June 30, 2016 is presented below:
|
|
Number of
Shares
|
|
|
Weighted
Average
Exercise Price
|
|
|
Weighted
Average
Remaining
Life In Years
|
|
|
Aggregate
Intrinsic Value
|
|
Outstanding, December 31, 2015 |
|
|
61,043,591 |
|
|
$ |
1.08 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
3,857,143 |
|
|
|
0.92 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(9,516,707 |
) |
|
|
2.08 |
|
|
|
|
|
|
|
|
|
Outstanding, June 30, 2016 |
|
|
55,384,027 |
|
|
$ |
0.89 |
|
|
|
2.6 |
|
|
$ |
56 |
|
Exercisable, June 30, 2016 |
|
|
55,384,027 |
|
|
$ |
0.89 |
|
|
|
2.6 |
|
|
$ |
56 |
|
|
The following table accounts for the
Companys warrant activity for the years ended December 31, 2015 and 2014:
|
|
|
Number of
Shares
|
|
|
Weighted
Average
Exercise Price
|
|
|
Weighted
Average
Remaining Life
In Years
|
|
|
Aggregate
Intrinsic Value
|
|
Outstanding, December 31, 2013 |
|
|
|
37,895,137 |
|
|
$ |
1.42 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
|
18,825,355 |
|
|
|
1.00 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
(959,000 |
) |
|
|
0.69 |
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
|
(1,673,169 |
) |
|
|
1.58 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2014 |
|
|
|
54,088,323 |
|
|
$ |
1.28 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
|
8,330,014 |
|
|
|
0.87 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
|
(1,374,746 |
) |
|
|
1.55 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2015 |
|
|
|
61,043,591 |
|
|
$ |
1.08 |
[1] |
|
|
2.7 |
|
|
$ |
|
|
Exercisable, December 31, 2015 |
|
|
|
61,043,591 |
|
|
$ |
1.08 |
[1] |
|
|
2.7 |
|
|
$ |
|
|
[1] |
During 2015, the exercise price of warrants to purchase an aggregate of 19,599,999 shares of common stock was reduced to $0.70 per share from exercise prices ranging from $1.05 to $1.00 per share. |
|
Schedule of Stock Warrants |
|
The following table presents information
related to stock warrants at December 31, 2015:
|
|
|
Warrants Outstanding |
|
|
Warrants Exercisable |
|
Range of
Exercise
Price
|
|
|
Weighted Average
Exercise
Price
|
|
|
Outstanding
Number of
Warrants
|
|
|
Weighted Average
Remaining Life
In Years
|
|
|
Exercisable
Number of
Warrants
|
|
$0.16 - $0.97 |
|
|
$ |
0.72 |
|
|
|
34,493,643 |
|
|
|
3.2 |
|
|
|
34,493,643 |
|
$0.98 - $1.01 |
|
|
|
1.00 |
|
|
|
7,427,557 |
|
|
|
4.2 |
|
|
|
7,427,557 |
|
$1.02 - $1.28 |
|
|
|
1.05 |
|
|
|
4,349,961 |
|
|
|
1.6 |
|
|
|
4,349,961 |
|
$1.29 - $2.25 |
|
|
|
1.89 |
|
|
|
14,722,430 |
|
|
|
1.2 |
|
|
|
14,722,430 |
|
$2.26 - $20.00 |
|
|
|
20.00 |
|
|
|
50,000 |
|
|
|
0.0 |
|
|
|
50,000 |
|
|
|
|
|
|
|
|
|
61,043,591 |
|
|
|
2.7 |
|
|
|
61,043,591 |
|
|