| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Collaboration revenue | ||||||
42,123 | 10,594 | 17,545 | 25,171 | - | ||
Collaboration revenue | ||||||
- | - | - | - | 10,359 | ||
Operating expenses: | ||||||
Research and development | ||||||
55,040 | 59,915 | 46,700 | 32,008 | 21,353 | ||
General and administrative | ||||||
17,283 | 16,334 | 10,462 | 6,984 | 5,347 | ||
Total operating expenses | ||||||
72,323 | 76,249 | 57,162 | 38,992 | 26,700 | ||
Other income (expense): | ||||||
Interest income | ||||||
2,226 | 1,398 | 910 | - | - | ||
Interest expense | ||||||
234 | - | - | - | - | ||
Other income (expense) | ||||||
- | - | - | - | -89 | ||
Interest income | ||||||
- | - | - | 121 | 2 | ||
Total other income (expense), net | ||||||
1,992 | 1,398 | 910 | 121 | -87 | ||
Net loss | ||||||
- | - | - | -13,700 | -16,428 | ||
Net income (loss) | ||||||
-28,208 | -64,257 | -38,707 | - | - | ||
Other comprehensive income (loss): | ||||||
Unrealized gain (loss) on marketable securities | ||||||
33 | 141 | -149 | - | - | ||
Comprehensive income (loss) | ||||||
-28,175 | -64,116 | -38,856 | -13,700 | -16,428 | ||
Net loss attributable to common stockholders - basic | ||||||
-28,208 | -64,257 | -38,707 | -13,700 | -16,428 | ||
Net loss attributable to common stockholders - diluted | ||||||
-28,208 | -64,257 | -38,707 | - | -16,428 | ||
Net loss per share attributable to common stockholders — basic and diluted (in dollars per share) | ||||||
-0.65 | -2.79 | -3.22 | -10.82 | -13.43 | ||
Weighted-average number of shares of common stock used in net loss per share attributable to common stockholders — basic and diluted | ||||||
43,492 | 23,032 | 12,022 | 1,266 | 1,223 | ||