| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Revenue | ||||||
3,000 | 2,500 | - | 4,928 | 4,094 | 4,830 | |
Operating expenses: | ||||||
Research and development | ||||||
82,642 | 54,449 | 45,251 | 27,928 | 15,217 | 10,016 | |
General and administrative | ||||||
27,337 | 14,439 | 9,778 | 5,024 | 2,233 | 1,924 | |
Total operating expenses | ||||||
109,979 | 68,888 | 55,029 | 32,952 | 17,450 | 11,940 | |
Loss from operations | ||||||
-106,979 | -66,388 | -55,029 | -28,024 | -13,356 | -7,110 | |
Other income (expense): | ||||||
Interest income | ||||||
4,314 | 1,464 | 645 | 109 | - | - | |
Interest expense with related parties | ||||||
- | - | - | - | 159 | - | |
Loss on debt extinguishment with related parties | ||||||
- | - | - | - | -602 | - | |
Other expense, net | ||||||
-23 | -38 | -74 | -967 | 155 | 1,607 | |
Total other income (expense), net | ||||||
4,291 | 1,426 | 571 | -858 | -606 | 1,607 | |
Loss from operations before benefit from income taxes | ||||||
-102,688 | -64,962 | -54,458 | -28,882 | -13,962 | -5,503 | |
Benefit from income taxes | ||||||
- | -19 | -19 | -18 | -19 | -27 | |
Net loss | ||||||
-102,688 | -64,943 | -54,439 | -28,864 | -13,943 | -5,476 | |
Gain on extinguishment of redeemable convertible preferred shares | ||||||
- | - | - | - | 1,673 | - | |
Net loss attributable to common stockholders | ||||||
- | - | - | -28,864 | -12,270 | -5,476 | |
Net loss per share - basic and diluted (in dollars per share) | ||||||
-2.31 | -2.06 | -2.41 | -6.98 | -24.68 | -12.46 | |
Weighted average number of common shares outstanding - basic and diluted (in shares) | ||||||
44,363 | 31,542 | 22,591 | 4,135 | 497 | 439 | |