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Stock-based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock Option Activity | A summary of activity for the three months ended March 31, 2020 is as follows:
|  | Options |  |  | Weighted Average Exercise Price |  | Aggregate Intrinsic Value |
Outstanding as of December 31, 2019 |  |  | 1,865 |  |  | $ | 2,968.22 |  |  |  |
Granted |  |  | 86,000 |  |  | $ | 2.18 |  |  |  |
Cancelled/forfeited |  |  | (124 | ) |  | $ | 49,903.00 |  |  |  |
Outstanding as of March 31, 2020 |  |  | 87,741 |  |  | $ | 51.44 |  | $ | — |
Vested as of March 31, 2020 |  |  | 1,080 |  |  | $ | 3,862.00 |  | $ | — |
Vested and expected to be vested as of March 31, 2020 |  |  | 87,741 |  |  | $ | 51.44 |  | $ | — |

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