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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2017
Class Of Stock Disclosures [Abstract] |
Schedule of Common Stock Reserved for Future Issuance | The following common stock is reserved for future issuance at September 30, 2017 and December 31, 2016:
|  | September 30, 2017 (1) |  |  | December 31, 2016 |
Warrants issued and outstanding |  |  | 51,003 |  |  |  | 51,003 |
Stock option awards issued and outstanding |  |  | 1,222,089 |  |  |  | 1,040,387 |
Authorized for grants under the 2016 Equity Incentive Plan |  |  | 253,601 |  |  |  | 709,750 |
Authorized for grants under the 2016 Employee Stock Purchase Plan |  |  | 100,000 |  |  |  | 100,000 |
|  |  | 1,626,693 |  |  |  | 1,901,140 |
| (1) | Treasury stock in the amount of 52,200 are excluded from the table above.

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