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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Antidilutive Securities Excluded from Computation of Net Loss Per Share Basic and Diluted | Potentially dilutive securities not included in the calculation of diluted net loss per share because to do so would be anti-dilutive are as follows (in common stock equivalent shares):
|  | As of December 31, |
|  | 2018 |  |  | 2017 |
Convertible preferred stock |  |  | 9,336,264 |  |  |  | - |
Common stock warrants |  |  | 1,454,657 |  |  |  | 1,503,711 |
Common stock options |  |  | 11,301 |  |  |  | 11,302 |
|  |  | 10,802,222 |  |  |  | 1,515,013 |
Schedule of Basic and Diluted Net Loss | Below are basic and diluted loss per share data for the year ended December 31, 2018, which are in thousands except for share and per share data:
|  | Basic Calculation |  |  | Effect of Dilutive Warrant Securities |  |  | Diluted Calculation |
Numerator: |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (9,689 | ) |  | $ | (6,899 | ) |  | $ | (16,588 | )
Loss from discontinued operations |  |  | (324 | ) |  |  | - |  |  |  | (324 | )
Gain from disposal of discontinued operations |  |  | 1,361 |  |  |  | - |  |  |  | 1,361 |
Deemed dividend and accretion of a discount |  |  | (13,900 | ) |  |  | - |  |  |  | (13,900 | )
Net loss attributable to common stockholders |  | $ | (22,522 | ) |  | $ | (6,899 | ) |  | $ | (29,451 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Number of shares used in per common share calculations: |  |  | 10,938,047 |  |  |  | 577,591 |  |  |  | 11,515,638 |
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (0.88 | ) |  | $ | - |  |  | $ | (1.44 | )
Loss from discontinued operations |  |  | (0.03 | ) |  |  | - |  |  |  | (0.03 | )
Gain from disposal of discontinued operations |  |  | 0.12 |  |  |  | - |  |  |  | 0.12 |
Deemed dividend and accretion of a discount |  |  | (1.27 | ) |  |  | - |  |  |  | (1.21 | )
Net loss attributable to common stockholders |  | $ | (2.06 | ) |  | $ | - |  |  | $ | (2.56 | )
Below are basic and diluted loss per share data for the year ended December 31, 2017, which are in thousands except for share and per share data:
|  | Basic Calculation |  |  | Effect of Dilutive Warrant Securities |  |  | Diluted Calculation |
Numerator: |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (5,761 | ) |  | $ | - |  |  | $ | - |
Loss from discontinued operations |  |  | (3,568 | ) |  |  | - |  |  |  | - |
Gain from disposal of discontinued operations |  |  | - |  |  |  | - |  |  |  | - |
Deemed dividend and accretion of a discount |  |  | - |  |  |  | - |  |  |  | - |
Net loss attributable to common stockholders |  | $ | (9,329 | ) |  | $ | - |  |  | $ | - |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Number of shares used in per common share calculations: |  |  | 2,978,904 |  |  |  | - |  |  |  | - |
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations |  | $ | (1.93 | ) |  | $ | - |  |  | $ | - |
Loss from discontinued operations |  |  | (1.20 | ) |  |  | - |  |  |  | - |
Gain from disposal of discontinued operations |  |  | - |  |  |  | - |  |  |  | - |
Deemed dividend and accretion of a discount |  |  | - |  |  |  | - |  |  |  | - |
Net loss attributable to common stockholders |  | $ | (3.13 | ) |  | $ | - |  |  | $ | - |

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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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