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Net Loss Per Share (Tables) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Weighted average number of common shares outstanding | The following table presents the computation of basic and diluted net loss per share for continuing and discontinued operations (in thousands, except per share amounts):
|  | Three Months Ended March 31, |
|  | 2017 |  |  | 2016 |
Numerator: |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (5,424 | ) |  | $ | (4,248 | )
Loss from discontinued operations |  |  | (91 | ) |  |  | (2,369 | )
Net loss |  | $ | (5,515 | ) |  | $ | (6,617 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 9,089 |  |  |  | 8,513 |
Weighted average unvested common shares subject to repurchase |  |  | (84 | ) |  |  | (47 | )
Weighted average common shares outstanding—basic |  |  | 9,005 |  |  |  | 8,466 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Conversion of preferred stock |  |  | — |  |  |  | — |
Options |  |  | — |  |  |  | — |
Warrants |  |  | — |  |  |  | — |
Weighted average common shares outstanding—diluted |  |  | 9,005 |  |  |  | 8,466 |
Net loss per share, basic and diluted: |  |  |  |  |  |  |  |
Continuing operations |  | $ | (0.60 | ) |  | $ | (0.50 | )
Discontinued operations |  |  | (0.01 | ) |  |  | (0.28 | )
Net loss per share, basic and diluted |  | $ | (0.61 | ) |  | $ | (0.78 | )
Weighted-average anti-dilutive securities not included in diluted net loss per share | The anti-dilutive securities not included in diluted net loss per share were as follows (in thousands):
|  | Three Months Ended March 31, |
|  | 2017 |  |  | 2016 |
Options to purchase common stock |  |  | 1,164 |  |  |  | 629 |
Unvested restricted share awards |  |  | 84 |  |  |  | 47 |
Series A Convertible Preferred Stock |  |  | 7,622 |  |  |  | — |
Warrants to purchase common stock |  |  | 9,440 |  |  |  | 962 |
Total |  |  | 18,310 |  |  |  | 1,638 |

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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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- 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://www.xbrl.org/2003/role/presentationRef -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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