| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Sep'17 | Jun'17 |
|---|---|---|---|---|---|---|---|---|---|---|
Collaboration revenue | ||||||||||
10,984 | 7,804 | 4,152 | 0 | 0 | - | 0 | - | - | - | - |
Operating expenses: | ||||||||||
Research and development | ||||||||||
80,385 | 76,369 | 68,513 | 64,151 | 62,745 | 58,024 | 0 | 0 | 0 | 0 | 0 |
General and administrative | ||||||||||
29,536 | 28,632 | 27,164 | 26,240 | 24,381 | 22,606 | 0 | 0 | 0 | 0 | 0 |
Change in fair value of contingent consideration | ||||||||||
-21,141 | 13 | -17,812 | 28,851 | 31,814 | 25,020 | 0 | 0 | 0 | 0 | 0 |
Impairment of intangible asset | ||||||||||
- | - | 0 | - | - | - | - | - | - | - | - |
Total operating expenses | ||||||||||
107,339 | 123,573 | 96,424 | 119,242 | 118,940 | 105,650 | 0 | 0 | 0 | 0 | 0 |
Loss from operations | ||||||||||
-96,355 | -115,769 | -91,328 | -115,174 | -116,046 | -104,230 | 0 | 0 | 0 | 0 | 0 |
Other income (expense): | ||||||||||
Interest income, net | ||||||||||
1,998 | 2,010 | 2,132 | 2,022 | 1,755 | 1,323 | 0 | 0 | 0 | 0 | 0 |
Other expense | ||||||||||
- | - | 0 | - | - | -53 | 0 | 0 | 0 | - | 0 |
Total other income (expense), net | ||||||||||
- | - | 2,110 | 2,013 | - | 1,270 | 0 | 0 | 0 | 0 | 0 |
Loss before benefit from income taxes | ||||||||||
-94,377 | -113,779 | -89,218 | -113,161 | -114,332 | -102,960 | 0 | 0 | 0 | 0 | 0 |
Benefit from income taxes | ||||||||||
0 | -486 | -924 | -3,448 | -4,948 | -5,565 | 0 | 0 | 0 | 0 | 0 |
Net loss | ||||||||||
-94,377 | -113,293 | -88,294 | -109,713 | -109,384 | -97,395 | 0 | 0 | 0 | 0 | 0 |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||||
- | - | - | - | - | 644 | 0 | 0 | 0 | 0 | 0 |
Net loss attributable to common stockholders | ||||||||||
- | - | -88,294 | -109,713 | - | -98,039 | 0 | 0 | 0 | 0 | 0 |
Net loss per share—basic and diluted | ||||||||||
-0.24 | -0.48 | -0.41 | -0.57 | -0.74 | 2.72 | -0.97 | -3.04 | -2.35 | -2.40 | -2.31 |
Weighted average common shares outstanding—basic and diluted | ||||||||||
60,008 | 60,136 | 51,891 | 48,749 | 45,004 | 45,466 | 44,036 | 9,187 | 9,091 | 7,781 | 7,676 |