| 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 | ||||||||||||
38,592 | 439 | 344 | 143 | 14,434 | 9,764 | 1,730 | 2,428 | 45,495 | - | - | - | - |
Collaboration revenue - related party | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 2,480 | 6,195 | 1,672 |
Operating expenses: | ||||||||||||
Research and development | ||||||||||||
11,288 | 11,657 | 12,916 | 13,236 | 14,309 | 10,521 | 15,783 | 15,098 | 11,090 | 16,282 | 12,101 | 10,720 | 8,680 |
General and administrative | ||||||||||||
4,787 | 5,114 | 4,984 | 5,417 | 5,093 | 4,824 | 3,977 | 3,913 | 3,362 | - | - | - | - |
General and administrative | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 4,651 | 2,004 | 1,546 |
Total operating expenses | ||||||||||||
16,075 | 16,771 | 17,900 | 18,653 | 19,402 | 15,345 | 19,760 | 19,011 | 14,452 | 19,114 | 16,752 | 12,724 | 10,226 |
Income (loss) from operations | ||||||||||||
22,517 | -16,332 | -17,556 | -18,510 | -4,968 | -5,581 | -18,030 | -16,583 | 31,043 | -16,635 | -14,272 | -6,529 | -8,554 |
Interest and other income, net | ||||||||||||
53 | 378 | 678 | 752 | 769 | 846 | 808 | 731 | 169 | 143 | 208 | 120 | 142 |
Loss before income taxes | ||||||||||||
- | - | - | - | - | - | - | - | - | - | -14,064 | -6,409 | -8,412 |
Provision for income taxes | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 341 | 164 | 214 |
Net income (loss) | ||||||||||||
22,570 | -15,954 | -16,878 | -17,758 | -4,199 | -4,735 | -17,222 | -15,852 | 31,212 | -15,773 | -14,405 | -6,573 | -8,626 |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||||||
- | - | - | - | - | 0 | 0 | 0 | 11 | - | - | - | - |
Net income attributable to redeemable convertible preferred stockholders | ||||||||||||
- | - | - | - | - | - | - | -19,789 | 26,866 | - | - | - | - |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 10 | 10 | 10 |
Net loss attributable to common stockholders | ||||||||||||
- | - | -16,878 | -17,758 | - | 22,131 | -17,222 | -15,852 | 4,335 | - | -14,415 | - | - |
Net loss per share attributable to common stockholders—basic and diluted | ||||||||||||
- | - | -0.61 | - | - | - | -0.62 | - | - | - | -5.75 | - | - |
Net (loss) income attributable to common stockholders | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | -6,583 | -8,636 |
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) | ||||||||||||
22,570 | -15,954 | -16,878 | -17,758 | -4,199 | -4,735 | -17,222 | -15,852 | 31,212 | -15,773 | -14,405 | -6,573 | -8,626 |
Other comprehensive income (loss): | ||||||||||||
Unrealized gain on marketable securities, net of tax of $0 | ||||||||||||
67 | -35 | -36 | 169 | 124 | 71 | 43 | 63 | -50 | - | - | - | - |
Unrealized gain on marketable securities, net of tax of $0 | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 43 | 40 | 93 |
Comprehensive income (loss) | ||||||||||||
22,637 | -15,989 | -16,914 | -17,589 | -4,075 | -4,664 | -17,179 | -15,789 | 31,162 | -15,842 | -14,362 | -6,533 | -8,533 |