Stockholders' Equity (Tables)
|
12 Months Ended |
Dec. 31, 2020 |
|---|
| Equity [Abstract] |
|
| Summary of Black-Scholes Option Pricing Model to Stock Options Granted Assumption |
In applying the Black-Scholes option pricing
model to options granted, the Company used the following assumptions:
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For the Years Ended |
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|
December 31, |
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2020 |
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|
2019 |
|
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|
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| Risk free interest rate |
|
|
0.33%-1.44 |
% |
|
|
1.52%-1.71 |
% |
| Expected term (years) |
|
|
5.00-8.00 |
|
|
|
5.00-6.00 |
|
| Expected volatility |
|
|
121.8%-139.9 |
% |
|
|
131.10%-138.40 |
% |
| Expected dividends |
|
|
0.00 |
% |
|
|
0.00 |
% |
|
| Summary of Options Activity |
A summary of the option activity during the
year ended December 31, 2020 is presented below:
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Weighted |
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|
| |
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|
|
|
Weighted |
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|
Average |
|
|
|
|
| |
|
|
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|
Average |
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|
Remaining |
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|
Aggregate |
|
| |
|
Number of |
|
|
Exercise |
|
|
Life |
|
|
Intrinsic |
|
| |
|
Shares |
|
|
Price |
|
|
In Years |
|
|
Value |
|
| Outstanding, January 1, 2020 |
|
|
265,550 |
|
|
$ |
33.10 |
|
|
|
|
|
|
|
|
|
| Granted |
|
|
511,073 |
|
|
|
2.21 |
|
|
|
|
|
|
|
|
|
| Exercised |
|
|
(15,879 |
) |
|
|
17.03 |
|
|
|
|
|
|
|
|
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| Cancelled/forfeited/expired |
|
|
(187,906 |
) |
|
|
3.79 |
|
|
|
|
|
|
|
|
|
| Outstanding, December 31, 2020 |
|
|
572,838 |
|
|
$ |
4.38 |
|
|
|
5.2 |
|
|
$ |
22,040,063 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| Exercisable, December 31, 2020 |
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|
199,607 |
|
|
$ |
8.53 |
|
|
|
1.4 |
|
|
$ |
6,893,331 |
|
|
| Schedule of Stock Options |
The following table presents information related
to stock options at December 31, 2020:
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|
|
Options Outstanding |
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|
Options Exercisable |
|
| |
|
|
Weighted |
|
|
|
|
|
Weighted |
|
|
|
|
| Range of |
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|
Average |
|
|
Outstanding |
|
|
Average |
|
|
Exercisable |
|
| Exercise |
|
|
Exercise |
|
|
Number of |
|
|
Remaining Life |
|
|
Number of |
|
| Price |
|
|
Price |
|
|
Options |
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|
In Years |
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|
Options |
|
| |
|
|
|
|
|
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|
|
|
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|
| $ |
1.73-$9.00 |
|
|
|
2.16 |
|
|
|
533,395 |
|
|
|
1.0 |
|
|
|
165,767 |
|
| $ |
15.50-30.00 |
|
|
|
20.76 |
|
|
|
13,503 |
|
|
|
0.2 |
|
|
|
7,900 |
|
| $ |
31.13-$50.50 |
|
|
|
41.48 |
|
|
|
25,940 |
|
|
|
0.2 |
|
|
|
25,940 |
|
| |
|
|
|
|
|
|
|
|
572,838 |
|
|
|
1.4 |
|
|
|
199,607 |
|
|
| Schedule of Warrant Activity |
The following table accounts for the Company’s
warrant activity for the year ended December 31, 2020:
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Weighted |
|
|
|
|
| |
|
|
|
|
Weighted |
|
|
Average |
|
|
|
|
| |
|
|
|
|
Average |
|
|
Remaining |
|
|
Aggregate |
|
| |
|
Number of |
|
|
Exercise |
|
|
Life |
|
|
Intrinsic |
|
| |
|
Shares |
|
|
Price |
|
|
In Years |
|
|
Value |
|
| Outstanding, January 1, 2020 |
|
|
6,835,811 |
|
|
$ |
4.64 |
|
|
|
|
|
|
|
|
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| Issued |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
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| Exercised |
|
|
(2,942,588 |
) |
|
|
4.25 |
|
|
|
|
|
|
|
|
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| Cancelled/forfeited/expired |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
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| Outstanding, December 31, 2020 |
|
|
3,893,223 |
|
|
$ |
4.93 |
|
|
|
2.2 |
|
|
$ |
147,496,067 |
|
| |
|
|
|
|
|
|
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|
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| Exercisable, December 31, 2020 |
|
|
3,893,223 |
|
|
$ |
4.93 |
|
|
|
2.2 |
|
|
$ |
147,496,067 |
|
|
| Schedule of Stock Warrants |
The following table presents information related to
stock warrants at December 31, 2020:
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|
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 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
4.25-35.00 |
|
|
$ |
4.70 |
|
|
|
3,876,564 |
|
|
|
2.1 |
|
|
|
3,876,564 |
|
| $ |
75.00-$150.00 |
|
|
$ |
57.99 |
|
|
|
16,659 |
|
|
|
0.0 |
|
|
|
16,659 |
|
| |
|
|
|
|
|
|
|
|
3,893,223 |
|
|
|
2.2 |
|
|
|
3,893,223 |
|
|