| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 | Sep'14 | Jun'14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating expenses: | ||||||||||||||||||||||
Research and development | ||||||||||||||||||||||
54,703 | 53,249 | 43,024 | 45,824 | 42,881 | 41,078 | 37,582 | 32,074 | 30,483 | 30,157 | 28,428 | 33,346 | 35,267 | 33,895 | 36,101 | 32,073 | 27,696 | 26,356 | 20,766 | 25,188 | 0 | 0 | 0 |
General and administrative | ||||||||||||||||||||||
14,922 | 13,743 | 13,598 | 13,585 | 14,284 | 14,339 | 13,991 | 13,631 | 12,736 | 12,462 | 12,619 | 12,801 | 13,349 | 14,180 | 14,187 | 13,965 | 12,008 | 9,472 | 7,096 | 5,149 | 0 | 0 | 0 |
Total operating expenses | ||||||||||||||||||||||
69,625 | 66,992 | 56,622 | 59,409 | 57,165 | 55,417 | 51,573 | 45,705 | 43,219 | 42,619 | 41,047 | 46,147 | 48,616 | 48,075 | 50,288 | 46,038 | 39,704 | 35,828 | 27,862 | 30,337 | 0 | 0 | 0 |
Loss from operations | ||||||||||||||||||||||
-69,625 | -66,992 | -56,622 | -59,409 | -57,165 | -55,417 | -51,573 | -45,705 | -43,219 | -42,619 | -41,047 | -46,147 | -48,616 | -48,075 | -50,288 | -46,038 | -39,704 | -35,828 | -27,862 | -30,337 | 0 | 0 | 0 |
Other income (expense), net: | ||||||||||||||||||||||
Changes in fair value of warrant liabilities | ||||||||||||||||||||||
0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 17,443 | 17,946 | 10,806 | 0 | 0 | 0 |
Other income, net | ||||||||||||||||||||||
-301 | -517 | 1,408 | 1,599 | 1,833 | 1,780 | 1,587 | 1,333 | 936 | 760 | 598 | 461 | 364 | 351 | 277 | 218 | 124 | 66 | 70 | 72 | 0 | 0 | 0 |
Total other income (expense), net | ||||||||||||||||||||||
0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -17,377 | -17,876 | -10,734 | 0 | 0 | 0 |
Loss before provision for (benefit from) income taxes, net | ||||||||||||||||||||||
-107,092 | -88,435 | -55,214 | -57,810 | -55,332 | -53,637 | -49,986 | -44,372 | -42,283 | -41,859 | -40,449 | -45,686 | -48,252 | -47,724 | -50,011 | -53,307 | -55,697 | -53,205 | -45,738 | -41,071 | 0 | 0 | 0 |
Provision for (benefit from) income taxes, net | ||||||||||||||||||||||
63 | -160 | -118 | -50 | -490 | -302 | -335 | -293 | 165 | 156 | 215 | 192 | 169 | 143 | 66 | 66 | 53 | 55 | 0 | 0 | 0 | - | - |
Net loss and comprehensive loss | ||||||||||||||||||||||
-107,155 | -88,275 | -55,096 | -57,760 | -54,842 | -53,335 | -49,651 | -44,079 | -42,448 | -42,015 | -40,664 | -45,878 | -48,421 | -47,867 | -50,077 | -53,373 | -55,750 | -53,260 | -45,763 | -41,082 | 0 | 0 | 0 |
Adjustment to redemption value on redeemable convertible preferred stock | ||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 374,015 | 379,606 | 194,309 | 0 | 0 | 0 |
Net loss attributable to common stockholders | ||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -453,184 | -451,278 | -235,391 | 0 | 0 | 0 |
Net loss per common share, basic and diluted | ||||||||||||||||||||||
-3.14 | -22.93 | -0.17 | -0.20 | -7.00 | -29.60 | -0.21 | -0.16 | -0.19 | -33.03 | -0.19 | -0.20 | -0.26 | -0.30 | -0.50 | -0.43 | -0.35 | 96.49 | -11.03 | -104.10 | -12.83 | -9.37 | -55.04 |
Weighted-average shares used in computing net loss per common share, basic and diluted | ||||||||||||||||||||||
10,156 | -139,584 | 74,688 | 74,688 | 1,862 | -201,316 | 74,347 | 74,320 | 59,722 | -142,143 | 52,268 | 52,268 | 42,596 | 30,368 | 30,331 | 30,191 | 30,070 | 30,445 | 24,167 | 1,499 | 1,485 | 1,019 | 920 |