| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Collaboration revenue - related party | ||||||||||||
39,518 | 15,360 | 24,685 | 26,071 | 28,356 | 59,417 | 0 | 0 | 0 | - | - | - | - |
Collaboration revenue - related party | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Operating expenses: | ||||||||||||
Research and development | ||||||||||||
49,097 | 52,118 | 50,982 | 53,849 | 55,711 | 52,492 | 58,253 | 54,571 | 50,193 | 47,783 | 0 | 0 | 0 |
General and administrative | ||||||||||||
20,302 | 20,608 | 20,318 | 19,311 | 17,807 | 16,076 | 0 | 0 | 0 | - | - | - | - |
General and administrative | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Total operating expenses | ||||||||||||
69,399 | 72,726 | 71,300 | 73,160 | 73,518 | 68,568 | 72,337 | 69,329 | 63,042 | 58,816 | 0 | 0 | 0 |
Income (loss) from operations | ||||||||||||
-29,881 | -57,366 | -46,615 | -47,089 | -45,162 | -9,151 | -20,205 | -16,447 | -6,393 | -45,990 | 0 | 0 | 0 |
Interest and other income, net | ||||||||||||
1,861 | 2,577 | 3,045 | 3,175 | 3,154 | 2,554 | 1,851 | 1,251 | 640 | 613 | 0 | 0 | 0 |
Loss before income taxes | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Provision for income taxes | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Net income (loss) | ||||||||||||
-28,020 | -54,789 | -43,570 | -43,914 | -42,008 | -6,597 | -17,635 | -14,818 | -5,539 | -45,377 | 0 | 0 | 0 |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||||||
- | - | - | - | - | 11 | 0 | 0 | 0 | - | - | - | - |
Net income attributable to redeemable convertible preferred stockholders | ||||||||||||
- | - | - | - | - | - | - | 0 | 0 | - | - | - | - |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Net loss attributable to common stockholders | ||||||||||||
- | - | -16,704 | -17,048 | - | -6,608 | -43,154 | 0 | 0 | - | 0 | - | - |
Net loss per share attributable to common stockholders—basic and diluted | ||||||||||||
- | - | -0.61 | - | - | - | -0.62 | - | - | - | -5.75 | - | - |
Net (loss) income attributable to common stockholders | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | 0 | 0 |
Net income (loss) per share attributable to common stockholders— basic | ||||||||||||
0.81 | - | - | -0.64 | -0.15 | - | - | -0.73 | 1.59 | - | - | -2.73 | -3.60 |
Weighted average common shares outstanding— basic | ||||||||||||
27,977 | - | - | 27,845 | 27,825 | - | - | 21,595 | 2,727 | - | - | 2,413 | - |
Weighted average common shares outstanding—basic and diluted | ||||||||||||
- | - | 27,862 | - | - | - | 27,598 | - | - | - | 2,506 | - | 2,399 |
Net income (loss) per share attributable to common stockholders— diluted | ||||||||||||
0.74 | - | - | -0.64 | -0.15 | - | - | -0.73 | 1.05 | - | - | -2.73 | -3.60 |
Weighted average common shares outstanding— diluted | ||||||||||||
30,917 | - | - | 27,845 | 27,825 | - | - | 21,595 | 4,134 | - | - | 2,413 | 2,399 |
Comprehensive income (loss): | ||||||||||||
Net income (loss) | ||||||||||||
-28,020 | -54,789 | -43,570 | -43,914 | -42,008 | -6,597 | -17,635 | -14,818 | -5,539 | -45,377 | 0 | 0 | 0 |
Other comprehensive income (loss): | ||||||||||||
Unrealized gain on marketable securities, net of tax of $0 | ||||||||||||
165 | 222 | 328 | 407 | 301 | 127 | 0 | 0 | 0 | - | - | - | - |
Unrealized gain on marketable securities, net of tax of $0 | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
Comprehensive income (loss) | ||||||||||||
-27,855 | -54,567 | -43,242 | -43,507 | -41,707 | -6,470 | -17,648 | -14,831 | -5,575 | -45,270 | 0 | 0 | 0 |