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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
CONSOLIDATED STATEMENTS OF OPERATIONS |  |
License revenue | $ 1,500 |
Operating expenses: |  |
Research and development | 20,423 | $ 24,366
General and administrative | 9,616 | 9,085
Total operating expenses | 30,039 | 33,451
Loss from operations | (28,539) | (33,451)
Interest income | 93 | 313
Interest expense | (39) | (23)
Australian research and development incentives | 231 | 132
Foreign currency gains | 738 | 126
Loss before income taxes | (27,516) | (32,903)
Income taxes | 2 | 3
Net loss | (27,514) | (32,900)
Dividend attributable to down round feature of warrants | (303) | (359)
Dividend attributable to Series A & B convertible preferred stock | (372) |
Series A & B convertible preferred stock - beneficial conversion feature | (9,399) |
Net loss attributable to common stockholders | $ (37,588) | $ (33,259)
Net loss per share |  |
Basic (in dollars per share) | $ (0.63) | $ (1.47)
Diluted (in dollars per share) | $ (0.63) | $ (1.47)
Weighted average common shares outstanding |  |
Basic (in shares) | 59,327,713 | 22,582,687
Diluted (in shares) | 59,327,713 | 22,582,687

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