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v3.20.1

Consolidated Statements of Operations - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Operating expenses: |  |
Research and development | $ 6,619,597 | $ 5,751,940
General and administrative | 4,834,284 | 6,167,177
Goodwill impairment |  | 6,929,258
Depreciation | 97,915 | 110,371
Loss from operations | 11,551,796 | 18,958,746
Other expense (income): |  |
Interest (income) expense, net | (85,302) | (151,647)
Loss from operations before income taxes | (11,466,494) | (18,807,099)
Income tax expense (benefit) | 332,885 | (437,289)
Net loss | (11,799,379) | (18,369,810)
Accretion of Series A cumulative preferred dividends |  | (85,993)
Deemed dividend related to the make-whole provision for the conversion of Series A convertible preferred stock into common stock |  | (8,167,895)
Net loss attributable to common stockholders | $ (11,799,379) | $ (26,623,698)
Per share information: |  |
Net loss per share of common stock, basic and diluted (in dollars per share) | $ (1.76) | $ (8.21)
Weighted average shares outstanding, basic and diluted (in dollars per share) | $ 6,706,509 | $ 3,242,301

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