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Net Loss Per Share of Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2018
Net Loss Per Share of Common Stock |
Computation of basic and diluted net loss per common share | The following table sets forth the computation of basic and diluted earnings per share for the years ended December 31, 2018, 2017 and 2016:
|  | 2018 |  | 2017 |  | 2016 |
Net loss |  | $ | (48,273,633) |  | $ | (33,281,068) |  | $ | (31,809,838) |
Basic and diluted net loss per common share |  | $ | (1.18) |  | $ | (1.13) |  | $ | (1.50) |
Basic and diluted weighted average common shares outstanding |  |  | 41,044,621 |  |  | 29,395,756 |  |  | 21,256,312 |
Potentially dilutive securities outstanding |
|  | 2018 |  | 2017 |  | 2016 |
Warrants |  | — |  | 553,868 |  | 553,868 |
Stock options and restricted stock units |  | 3,937,167 |  | 3,399,124 |  | 2,817,674 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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