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v3.19.1

Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Income Statement [Abstract] |  |
Product revenue | $ 95,000 |
Costs of revenue | 56,000 |
Gross profit | 39,000 |
Operating expenses: |  |
Research and development | 2,991,000 | 3,506,000
General and administrative | 3,866,000 | 3,654,000
Sales and marketing | 135,000 | 325,000
Goodwill impairment | 6,163,000 |
Total operating expenses | 13,155,000 | 7,485,000
Loss from operations | (13,116,000) | (7,485,000)
Other income (expenses): |  |
Interest expense | (1,388,000) | (1,263,000)
Offering costs |  | (131,000)
Change in fair value of derivative liabilities | 7,005,000 | 3,118,000
Loss on extinguishment of debt | (339,000) |
Loss on extinguishment of derivative liabilities | (1,252,000) |
Other income | 83,000 |
Total other income (expense), net | 3,427,000 | 1,724,000
Net loss before income taxes | (9,689,000) | (5,761,000)
Provision for income taxes |  |
Loss from continuing operations | (9,689,000) | (5,761,000)
Loss from discontinued operations | (324,000) | (3,568,000)
Gain from disposal of discontinued operations | 1,361,000 |
Net loss | (8,652,000) | (9,329,000)
Deemed dividend related to beneficial conversion feature and accretion of discount on convertible Series A preferred stock | (13,900,000) |
Net loss attributable to common stockholders | $ (22,552) | $ (9,329)
Net loss per share - basic and diluted |  |
Basic - continuing operations | $ (0.88) | $ (1.93)
Basic - discontinued operations | (0.03) | (1.20)
Basic - gain from sale of discontinued operations | 0.12 |
Basic - deemed dividend and accretion of a discount on conversion of Series B preferred stock | (1.27) |
Basic - attributable to common stockholders | (2.06) | (3.13)
Diluted - continuing operations | (1.44) |
Diluted - discontinued operations | (0.03) |
Diluted - gain from sale of discontinued operations | 0.12 |
Diluted - deemed dividend and accretion of a discount on conversion of Series B preferred stock | (1.21) |
Diluted - attributable to common stockholders | $ (2.56) |
Weighted average common shares outstanding: |  |
Basic | 10,938,047 | 2,978,904
Diluted | 11,515,638 |

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