| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Revenue from Contract with Customer, Excluding Assessed Tax | ||||||
8,000 | 5,000 | 10,000 | 16,684 | 17,571 | ||
Operating expenses: | ||||||
Research and development | ||||||
99,338 | 56,196 | 29,443 | 15,419 | 17,304 | ||
General and administrative | ||||||
16,094 | 15,526 | 9,338 | 4,290 | 3,589 | ||
Total operating expenses | ||||||
115,432 | 71,722 | 38,781 | 19,709 | 20,893 | ||
Loss from operations | ||||||
-107,432 | -66,722 | -28,781 | -3,025 | -3,322 | ||
Other income (expense), net: | ||||||
Interest expense | ||||||
1,041 | 1,652 | 1,775 | 458 | 460 | ||
Change in fair value of liability for preferred stock warrants | ||||||
0 | 0 | 1,366 | 756 | 1,277 | ||
Interest income | ||||||
10,984 | 6,685 | 1,623 | 127 | 18 | ||
Other income, net | ||||||
1 | -159 | 229 | -147 | -225 | ||
Total other income (expense), net | ||||||
9,944 | 4,874 | -1,289 | -1,234 | -1,944 | ||
Loss before income taxes | ||||||
-97,488 | -61,848 | -30,070 | -4,259 | -5,266 | ||
Provision for income taxes | ||||||
-152 | -192 | 0 | 0 | 139 | ||
Net loss | ||||||
-97,336 | -61,656 | -30,070 | -4,259 | -5,405 | ||
Other comprehensive income (loss): | ||||||
Income tax expense related to other comprehensive income | ||||||
- | - | - | 0 | - | ||
Unrealized income on available for sale securities, net of tax of $0 and $115, respectively | ||||||
561 | 203 | -426 | 0 | 0 | ||
Other comprehensive income (loss), net of tax | ||||||
- | - | - | 0 | 0 | ||
Comprehensive loss | ||||||
-96,775 | -61,453 | -30,496 | -4,259 | -5,405 | ||
Net loss per common share: | ||||||
Basic and diluted (in dollars per share) | ||||||
-3.60 | -2.50 | -1.52 | -1.62 | -2.12 | ||
Weighted-average number of shares outstanding: | ||||||
Basic and diluted (in shares) | ||||||
27,059 | 24,673 | 19,782 | 2,637 | 2,551 | ||