| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Revenue | ||||||
0 | 0 | 0 | - | - | ||
Revenue | ||||||
- | - | - | 0 | 0 | ||
Operating expenses: | ||||||
Research and development | ||||||
17,663 | 18,448 | 14,239 | 10,276 | 7,832 | ||
General and administrative | ||||||
12,293 | 13,454 | 8,769 | 7,893 | 5,059 | ||
Total operating expenses | ||||||
29,956 | 31,902 | 23,008 | 18,169 | 12,891 | ||
Loss from operations | ||||||
-29,956 | -31,902 | -23,008 | -18,169 | -12,891 | ||
Interest income | ||||||
587 | 355 | 404 | 46 | 13 | ||
Net loss | ||||||
-29,369 | -31,547 | -22,604 | -18,123 | -12,878 | ||
Accretion of redeemable convertible preferred stock to redemption value | ||||||
- | - | 41 | 75 | 71 | ||
Net loss | ||||||
- | - | -22,645 | -18,198 | -12,949 | ||
Net loss per share — basic and diluted | ||||||
-1.20 | -2.14 | -3.04 | -42.35 | -32.31 | ||
Weighted average common shares outstanding—basic and diluted | ||||||
24,535 | 14,738 | 7,443 | 429 | 400 | ||
Comprehensive loss: | ||||||
Net loss | ||||||
-29,369 | -31,547 | -22,604 | -18,123 | -12,878 | ||
Other comprehensive gain (loss): | ||||||
Unrealized gain (loss) on investments, net of tax of $0 | ||||||
12 | 28 | -33 | - | -4 | ||
Total other comprehensive gain (loss) | ||||||
12 | 28 | -33 | - | -4 | ||
Total comprehensive loss | ||||||
-29,357 | -31,519 | -22,637 | -18,123 | -12,882 | ||