Stockholders' Equity (Tables)
|
3 Months Ended |
Mar. 31, 2022 |
|---|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Stock Option Activity |
|
|
|
|
|
Options |
Outstanding at December 31, 2020 |
6,007,552 |
Granted |
637,500 |
Exercised |
— |
Forfeit/canceled |
(272,029) |
Expired |
(126,557) |
Outstanding at December 31, 2021 |
6,246,466 |
Granted |
150,000 |
Exercised |
— |
Forfeit/canceled |
(65,000) |
Expired |
(10,250) |
Outstanding at March 31, 2022 |
6,321,216 |
|
| Valuation Assumptions |
|
|
|
|
|
|
|
Three Months Ended |
|
March 31, |
|
2022 |
|
2021 |
Risk-free interest rate |
2.47 |
% |
|
1.01 |
% |
Expected life (years) |
6.00 |
|
|
6.00 |
|
Expected dividend yield |
— |
% |
|
— |
% |
Expected volatility |
72.33 |
% |
|
73.97 |
% |
|
| Restricted Stock Unit Activity |
|
|
|
|
Shares |
Outstanding at December 31, 2020 |
|
1,436,728 |
Awarded |
|
654,663 |
Released |
|
— |
Canceled/forfeited/expired |
|
(406,250) |
Outstanding at December 31, 2021 |
|
1,685,141 |
Awarded |
|
78,420 |
Released |
|
— |
Canceled/forfeited/expired |
|
— |
Outstanding at March 31, 2022 |
|
1,763,561 |
|
|
|
Expected to vest at March 31, 2022 |
|
1,763,561 |
Vested at March 31, 2022 |
|
1,763,561 |
Unvested at March 31, 2022 |
|
— |
Unrecognized expense at March 31, 2022 |
$ |
— |
|
| Summary of Investor Warrant Activity |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shares |
|
Weighted
Average
Exercise
Price |
|
Weighted
Average
Remaining
Contractual
Term (Years) |
Outstanding at December 31, 2020 |
|
2,691,459 |
|
$ |
1.99 |
|
|
2.94 |
Granted |
|
580,231 |
|
$ |
— |
|
|
— |
Exercised |
|
— |
|
$ |
— |
|
|
— |
Canceled/forfeited/expired |
|
(25,000) |
|
$ |
— |
|
|
— |
Outstanding at December 31, 2021 |
|
3,246,690 |
|
$ |
2.26 |
|
|
3.59 |
Granted |
|
3,208,529 |
|
$ |
— |
|
|
— |
Exercised |
|
(3,188,190) |
|
$ |
— |
|
|
— |
Canceled/forfeited/expired |
|
— |
|
$ |
— |
|
|
— |
Outstanding at March 31, 2022 |
|
3,267,029 |
|
$ |
0.83 |
|
|
2.85 |
|
| Stock Options and Warrants [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Stock-Based Compensation Expense |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended |
|
|
March 31, |
|
|
2022 |
|
2021 |
|
General and administrative |
$ |
128,246 |
|
$ |
84,130 |
|
Sales and marketing |
|
12,867 |
|
|
32,745 |
|
Engineering, research, and development |
|
66,490 |
|
|
43,052 |
|
|
$ |
207,603 |
|
$ |
159,927 |
|
|
| Restricted Stock Units RSU [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Stock-Based Compensation Expense |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended |
|
|
March 31, |
|
|
2022 |
|
2021 |
|
General and administrative |
$ |
65,002 |
|
$ |
65,002 |
|
Sales and marketing |
$ |
— |
|
$ |
3,694 |
|
|
$ |
65,002 |
|
$ |
68,696 |
|
|