| Schedule of warrant and stock option grants with time-based vesting |
| |
|
Warrant Grants |
|
|
Stock Option Grants |
|
|
Restricted Stock Units |
|
| |
|
Number of shares subject to warrants |
|
|
Weighted- average exercise price per share |
|
|
Number of shares subject to options |
|
|
Weighted- average exercise price per share |
|
|
Number of shares subject to restricted stock units |
|
|
Weighted- average exercise price per share |
|
| Balance at December 31, 2018 |
|
|
236,825 |
|
|
$ |
26.00 |
|
|
|
135,023 |
|
|
$ |
7.70 |
|
|
|
- |
|
|
$ |
- |
|
| Granted |
|
|
1,112,220 |
|
|
|
5.67 |
|
|
|
203,572 |
|
|
|
3.65 |
|
|
|
730,303 |
|
|
|
- |
|
| Exercised |
|
|
(11,075 |
) |
|
|
5.51 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
| Cancelled/Forfeited |
|
|
(26,054 |
) |
|
|
5.51 |
|
|
|
- |
|
|
|
- |
|
|
|
(100,000 |
) |
|
|
- |
|
| Balance at December 31, 2019 |
|
|
1,311,916 |
|
|
$ |
9.35 |
|
|
|
338,595 |
|
|
$ |
5.96 |
|
|
|
630,303 |
|
|
$ |
- |
|
| Exercisable at December 31, 2019 |
|
|
1,311,916 |
|
|
$ |
9.35 |
|
|
|
226,095 |
|
|
$ |
6.57 |
|
|
|
630,303 |
|
|
$ |
- |
|
| |
|
|
Warrant Grants |
|
|
|
Stock Option Grants |
|
|
|
Restricted Stock Units |
|
| |
|
|
Number of shares subject to warrants |
|
|
|
Weighted- average exercise price per share |
|
|
|
Number of shares subject to options |
|
|
|
Weighted- average exercise price per share |
|
|
|
Number of shares subject to restricted stock units |
|
|
|
Weighted- average exercise price per share |
|
| Balance at December 31, 2019 |
|
|
1,311,916 |
|
|
$ |
9.35 |
|
|
|
338,595 |
|
|
$ |
5.26 |
|
|
|
630,303 |
|
|
$ |
- |
|
| Granted |
|
|
146,053 |
|
|
|
4.51 |
|
|
|
- |
|
|
|
- |
|
|
|
2,222,984 |
|
|
|
- |
|
| Exercised |
|
|
(681,619 |
) |
|
|
5.57 |
|
|
|
(160,291 |
) |
|
|
4.78 |
|
|
|
(77,234 |
) |
|
|
- |
|
| Expired |
|
|
(103,891 |
) |
|
|
35.54 |
|
|
|
(59,916 |
) |
|
|
10.55 |
|
|
|
|
|
|
|
|
|
| Cancelled/Forfeited |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
(475,000 |
) |
|
|
- |
|
| Balance at December 31, 2020 |
|
|
672,459 |
|
|
$ |
8.09 |
|
|
|
118,388 |
|
|
$ |
3.25 |
|
|
|
2,301,053 |
|
|
$ |
- |
|
| Exercisable at December 31, 2020 |
|
|
672,459 |
|
|
$ |
8.09 |
|
|
|
118,388 |
|
|
$ |
3.25 |
|
|
|
2,301,053 |
|
|
$ |
- |
|
|
| Schedule of company’s outstanding warrants and options |
| Warrants Outstanding |
|
|
Warrants Exercisable
|
|
| Exercise Price Range |
|
Number Outstanding |
|
|
Weighted Average Remaining Contractual Life (in years) |
|
|
Weighted Average Exercise Price |
|
|
Number Exercisable |
|
|
Weighted Average Exercise Price |
|
|
Intrinsic Value |
|
| $3.80 - $141.17 |
|
|
672,459 |
|
|
|
3.01 |
|
|
$ |
8.09 |
|
|
|
672,459 |
|
|
$ |
8.09 |
|
|
|
- |
|
| Options Outstanding |
|
|
Options Exercisable
|
|
| Exercise Price Range |
|
|
Number Outstanding |
|
|
Weighted Average Remaining Contractual Life (in years) |
|
|
Weighted Average Exercise Price |
|
|
Number Exercisable |
|
|
Weighted Average Exercise Price |
|
|
Intrinsic Value |
|
| |
$2.64 - $6.84 |
|
|
|
118,388 |
|
|
|
3.69 |
|
|
$ |
3.25 |
|
|
|
118,388 |
|
|
$ |
3.25 |
|
|
|
- |
|
|
| Schedule of stock-based compensation expense categorized by equity components |
| |
|
For the years ended
December 31, |
|
| |
|
2020 |
|
|
2019 |
|
| Common
stock |
|
$ |
3,169,470 |
|
|
$ |
1,575,044 |
|
| Stock
option awards |
|
|
- |
|
|
|
584,280 |
|
| Transfer
of common stock by founders to contractors |
|
|
115,100 |
|
|
|
5,322,930 |
|
| Total |
|
$ |
3,284,570 |
|
|
$ |
7,482,254 |
|
|