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Stock Options and Grants (Tables) | 9 Months Ended
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Sep. 30, 2018
Stock Options and Grants [Abstract] |
Summary of employee stock option activity |
|  | Shares |  |  | Weighted Average Fair Value Per Share |  |  | Weighted Average Exercise Price Per Share |  |  | Weighted Average Remaining Terms (in years) |  |  | Aggregate Intrinsic Value |
Outstanding – December 31, 2017 |  |  | 888,392 |  |  | $ | 1.23 |  |  | $ | 3.86 |  |  |  | 9.15 |  |  | $ | 1,881,869 |
Granted |  |  | 250,000 |  |  |  | 1.28 |  |  |  | 4.61 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Cancelled |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding – September 30, 2018 |  |  | 1,138,392 |  |  | $ | 1.24 |  |  | $ | 4.03 |  |  |  | 8.65 |  |  | $ | 570,521 |
Exercisable – December 31, 2017 |  |  | 738,608 |  |  | $ | 1.22 |  |  | $ | 4.04 |  |  |  | 9.19 |  |  | $ | 1,435,515 |
Exercisable – September 30, 2018 |  |  | 890,602 |  |  | $ | 1.23 |  |  | $ | 4.01 |  |  |  | 8.53 |  |  | $ | 489,401 |

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