| Dec'19 | Dec'18 | Dec'17 | Dec'16 | |||
|---|---|---|---|---|---|---|
Revenue | ||||||
- | - | - | 0 | |||
Operating expenses: | ||||||
Research and development | ||||||
66,459 | 48,769 | 32,617 | 27,881 | |||
General and administrative | ||||||
19,596 | 12,475 | 6,471 | 5,777 | |||
Total operating expenses | ||||||
86,055 | 61,244 | 39,088 | 33,658 | |||
Loss from operations | ||||||
-86,055 | -61,244 | -39,088 | -33,658 | |||
Other income (expense): | ||||||
Interest income | ||||||
2,644 | 1,547 | 169 | 53 | |||
Interest expense | ||||||
2,115 | 228 | 901 | 1,345 | |||
Change in fair value of preferred stock tranche liability | ||||||
- | - | 4,443 | 417 | |||
Total other income (expense), net | ||||||
529 | 1,319 | 3,711 | -875 | |||
Loss before income taxes | ||||||
-85,526 | -59,925 | -35,377 | - | |||
Income tax expense | ||||||
24 | 0 | 0 | - | |||
Net loss | ||||||
-85,550 | -59,925 | -35,377 | -34,533 | |||
Net loss per share attributable to common stockholders, basic and diluted | ||||||
-3.04 | -5.00 | -56.10 | -53.19 | |||
Weighted average number of common shares used in net loss per share attributable to common stockholders, basic and diluted | ||||||
28,151 | 11,984 | 958 | 929 | |||
Comprehensive loss: | ||||||
Cumulative dividends on convertible preferred stock | ||||||
- | - | 18,390 | 14,932 | |||
Other comprehensive gain (loss): | ||||||
Unrealized gain (loss) on marketable securities | ||||||
-6 | - | - | - | |||
Total other comprehensive gain (loss): | ||||||
-6 | - | -18,390 | - | |||
Net loss attributable to common stockholders | ||||||
-85,556 | -59,925 | -53,767 | -49,465 | |||