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Net Loss per Common Share (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Earnings Per Share [Abstract] |  |
Anti-dilutive securities excluded from the computation of earnings per share | The following potentially dilutive securities were excluded from the computation of earnings per share as of September 30, 2017 and 2016 because their effects would be anti-dilutive:
|  | September 30, |
|  | 2017 |  |  | 2016 |
Stock options |  |  | 155 |  |  |  | 118 |
Unvested restricted shares |  |  | 289 |  |  |  | 54 |
Warrants |  |  | 953 |  |  |  | 21,221 |
Total |  |  | 1,397 |  |  |  | 21,394 |
| Shares excluded from the computation of diluted EPS:
|  | 2016 |  |  | 2015 |
Stock options |  |  | 41,356 |  |  |  | 47,221 |
Unvested restricted shares |  |  | 18,993 |  |  |  | 35,955 |
Warrants |  |  | 7,216,020 |  |  |  | 1,128,688 |
Total |  |  | 7,276,369 |  |  |  | 1,211,864 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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