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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2022
Equity [Abstract] |
Schedule of Stock Option and Warrants Activity | The following table summarizes the activity for stock options and warrants for the three months ended March 31, 2022:
|  | Stock Options |  | Warrants
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (In Thousands) |  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (In Thousands)
Outstanding at December 31, 2021 |  | 2,131,849 |  |  | $ | 5.64 |  |  | 7.97 |  | $ | — |  |  | 21,356,600 |  |  | $ | 2.84 |  |  | 4.37 |  | $ | — |
Changes during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  | 540,600 |  |  | 0.91 |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Exercised |  | — |  |  | — |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Forfeited |  | (9,565) |  |  | 1.90 |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Expired |  | (23,275) |  |  | 26.00 |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Outstanding at March 31, 2022 |  | 2,639,609 |  |  | $ | 4.51 |  |  | 7.83 |  | $ | — |  |  | 21,356,600 |  |  | $ | 2.84 |  |  | 4.13 |  | $ | — |
Vested at March 31, 2022 or expected to vest in the future |  | 2,594,630 |  |  | $ | 4.57 |  |  | 7.80 |  | $ | — |  |  | 21,356,600 |  |  | $ | 2.84 |  |  | 4.13 |  | $ | — |
Vested at March 31, 2022 |  | 1,408,083 |  |  | $ | 7.36 |  |  | 6.41 |  | $ | — |  |  | 21,356,600 |  |  | $ | 2.84 |  |  | 4.13 |  | $ | — |
Schedule of Restricted Stock Activity | During the three months ended March 31, 2022 and 2021, the Company issued restricted stock for services as follows ($ in thousands):
|  | Three Months Ended March 31,
|  | 2022 |  | 2021
Number of restricted stock issued |  | 1,061,175 |  |  | 300,450 |
Value of restricted stock issued |  | $ | 973 |  |  | $ | 478 |
Schedule of Restricted Stock Units Activity | During the three months ended March 31, 2022 and 2021, the Company issued restricted stock units for services as follows ($ in thousands, except share data):
| Three Months Ended March 31,
| 2022 |  | 2021
Number of restricted stock units issued | 1,379,860 |  |  | 458,245 |
Value of restricted stock units issued | $ | 1,265 |  |  | $ | 729 |

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