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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Stock Options and Warrants Activity | The following table summarizes the activity for stock options and warrants for the year ended December 31, 2020:
| 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, 2019 | 1,044,417 |  |  | $ | 18.31 |  |  | 6.06 |  | $ | — |  |  | 30,000 |  |  | $ | 5.89 |  |  | 3.19 |  | $ | — |
Changes during the Year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted | 248,176 |  |  | $ | 3.20 |  |  |  |  |  |  | 2,608,355 |  |  | $ | 2.14 |  |  |  |  |
Exercised | — |  |  | $ | — |  |  |  |  |  |  | — |  |  | $ | — |  |  |  |  |
Forfeited | (86,251) |  |  | $ | 3.83 |  |  |  |  |  |  | — |  |  | $ | — |  |  |  |  |
Expired | (242,642) |  |  | $ | 22.57 |  |  |  |  |  |  | — |  |  | $ | — |  |  |  |  |
Outstanding at December 31, 2020 | 963,700 |  |  | $ | 14.64 |  |  | 5.86 |  | $ | — |  |  | 2,638,355 |  |  | $ | 2.18 |  |  | 4.98 |  | $ | — |
Vested at December 31, 2020 or expected to vest in the future | 949,200 |  |  | $ | 14.81 |  |  | 5.82 |  | $ | — |  |  | 2,638,355 |  |  | $ | 2.18 |  |  | 4.98 |  | $ | — |
Exercisable at December 31, 2020 | 714,426 |  |  | $ | 18.42 |  |  | 4.93 |  | $ | — |  |  | 2,638,355 |  |  | $ | 2.18 |  |  | 4.98 |  | $ | — |
Schedule of Restricted Stock | During the years ended December 31, 2020 and 2019, the Company issued restricted stock for services as follows ($ in thousands, except share data):
| 2020 |  | 2019
Number of Restricted Stock Issued | 156,184 |  |  | 123,564 |
Value of Restricted Stock Issued | $ | 512.3 |  |  | $ | 611.6 |
Schedule of Restricted Stock Units | During the years ended December 31, 2020 and 2019, the Company issued restricted stock units for services as follows ($ in thousands, except share data):
| 2020 |  | 2019
Number of Restricted Stock Units Issued | 325,853 |  |  | 184,454 |
Value of Restricted Stock Units Issued | $ | 863.0 |  |  | $ | 908.6 |

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