Stockholders' Deficiency (Tables)
|
12 Months Ended |
Dec. 31, 2017 |
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 Years Ended |
|
|
|
December 31, |
|
|
|
2017 |
|
|
2016 |
|
Risk free interest rate |
|
|
N/A |
|
|
|
0.73% - 0.90 |
% |
Expected term (years) |
|
|
N/A |
|
|
|
2.50 |
|
Expected volatility |
|
|
N/A |
|
|
|
102% - 118 |
% |
Expected dividends |
|
|
N/A |
|
|
|
0.00 |
% |
|
Summary of Options Activity |
A summary of the option activity during the
year ended December 31, 2017 is presented below:
|
|
|
|
|
|
|
|
Weighted |
|
|
|
|
|
|
|
|
|
Weighted |
|
|
Average |
|
|
|
|
|
|
|
|
|
Average |
|
|
Remaining |
|
|
Aggregate |
|
|
|
Number of |
|
|
Exercise |
|
|
Life |
|
|
Intrinsic |
|
|
|
Shares |
|
|
Price |
|
|
In Years |
|
|
Value |
|
Outstanding, December 31, 2016 |
|
|
149,233 |
|
|
$ |
58.00 |
|
|
|
|
|
|
|
|
|
Granted |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(41,332 |
) |
|
|
71.10 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2017 |
|
|
107,901 |
|
|
$ |
42.31 |
|
|
|
1.9 |
|
|
$ |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable, December 31,, 2017 |
|
|
107,901 |
|
|
$ |
42.31 |
|
|
|
1.9 |
|
|
$ |
- |
|
|
Schedule of Stock Options |
The following table presents information related
to stock options at December 31, 2017:
|
|
Options Outstanding |
|
|
Options Exercisable |
|
|
|
Weighted |
|
|
|
|
|
Weighted |
|
|
|
|
Range of |
|
Average |
|
|
Outstanding |
|
|
Average |
|
|
Exercisable |
|
Exercise |
|
Exercise |
|
|
Number of |
|
|
Remaining Life |
|
|
Number of |
|
Price |
|
Price |
|
|
Options |
|
|
In Years |
|
|
Options |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$5.25 - $20.00 |
|
$ |
7.40 |
|
|
|
19,600 |
|
|
|
4.4 |
|
|
|
19,600 |
|
$20.01 - $47.50 |
|
|
29.70 |
|
|
|
25,168 |
|
|
|
2.2 |
|
|
|
25,168 |
|
$47.51 - $59.50 |
|
|
50.80 |
|
|
|
36,300 |
|
|
|
1.7 |
|
|
|
36,300 |
|
$59.51 - $78.00 |
|
|
68.16 |
|
|
|
26,833 |
|
|
|
0.2 |
|
|
|
26,833 |
|
|
|
|
|
|
|
|
107,901 |
|
|
|
1.9 |
|
|
|
107,901 |
|
|
Summary of Warrants Activity |
The following table accounts for the Company’s
warrant activity for the year ended December 31, 2017:
|
|
|
|
|
|
|
|
Weighted |
|
|
|
|
|
|
|
|
|
Weighted |
|
|
Average |
|
|
|
|
|
|
|
|
|
Average |
|
|
Remaining |
|
|
Aggregate |
|
|
|
Number of |
|
|
Exercise |
|
|
Life |
|
|
Intrinsic |
|
|
|
Shares |
|
|
Price |
|
|
In Years |
|
|
Value |
|
Outstanding, December 31, 2016 |
|
|
4,035,115 |
|
|
$ |
12.06 |
|
|
|
|
|
|
|
|
|
Issued |
|
|
247,414 |
|
|
|
22.36 |
|
|
|
|
|
|
|
|
|
Exercised |
|
|
(3,848,126 |
) |
|
|
8.22 |
|
|
|
|
|
|
|
|
|
Cancelled/forfeited/expired |
|
|
(159,071 |
) |
|
|
62.24 |
|
|
|
|
|
|
|
|
|
Outstanding, December 31, 2017 |
|
|
275,332 |
|
|
$ |
43.15 |
|
|
|
3.2 |
|
|
$ |
59,565 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Exercisable, December 31, 2017 |
|
|
275,332 |
|
|
$ |
43.15 |
|
|
|
3.2 |
|
|
$ |
59,565 |
|
|
Schedule of Stock Warrants |
The following table presents information related
to stock warrants at December 31, 2017:
|
|
Warrants Outstanding |
|
|
Warrants Exercisable |
|
|
|
Weighted |
|
|
|
|
|
Weighted |
|
|
|
|
Range of |
|
Average |
|
|
Outstanding |
|
|
Average |
|
|
Exercisable |
|
Exercise |
|
Exercise |
|
|
Number of |
|
|
Remaining Life |
|
|
Number of |
|
Price |
|
Price |
|
|
Warrants |
|
|
In Years |
|
|
Warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$0.15 - $0.70 |
|
$ |
0.70 |
|
|
|
13,163 |
|
|
|
0.9 |
|
|
|
13,163 |
|
$35.00 - $100.00 |
|
|
38.82 |
|
|
|
239,159 |
|
|
|
3.7 |
|
|
|
239,159 |
|
$112.50 - $150.00 |
|
|
112.52 |
|
|
|
23,010 |
|
|
|
0.1 |
|
|
|
23,010 |
|
|
|
|
|
|
|
|
275,332 |
|
|
|
3.2 |
|
|
|
275,332 |
|
|