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Earnings Per Common Share ("EPS") (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Components of Basic and Diluted EPS Computations | The following tables summarize the components of the basic and diluted EPS computations (in thousands, except per share amounts):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
EPS — basic and diluted: |  |  |  |  |  |  |  |
Net loss (numerator) |  | $ | (51,903 | ) |  | $ | (86,975 | )
Weighted average common shares (denominator) |  |  | 195,584 |  |  |  | 144,136 |
Net loss per share |  | $ | (0.27 | ) |  | $ | (0.60 | )
Potential Dilutive Securities Outstanding that are Considered Antidilutive | Potentially dilutive securities outstanding that are considered antidilutive are summarized as follows (in shares):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Exercise of common stock options |  |  | 14,135,681 |  |  |  | 10,976,118 |
Conversion of convertible notes payable to former related party into common stock |  |  | 14,000,000 |  |  |  | 21,909,541 |
Exercise of warrants associated with public offering |  |  | 7,250,000 |  |  |  | 26,666,667 |
Exercise of warrants associated with Midcap Credit Facility |  |  | 1,171,614 |  |  |  | — |
Conversion of convertible notes into common stock |  |  | 1,666,667 |  |  |  | 3,629,627 |
Vesting of restricted stock units |  |  | 1,057,047 |  |  |  | 691,266 |
Employee stock purchase plan |  |  | 369,979 |  |  |  | 307,395 |
Exercise of common stock warrants |  |  | 31,851 |  |  |  | 31,851 |
Exercise of warrants associated with direct placement |  |  | — |  |  |  | 14,000,000 |
Total |  |  | 39,682,839 |  |  |  | 78,212,465 |

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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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