| 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 | Dec'14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating expenses: | ||||||||||||||||||||
Research and development expenses | ||||||||||||||||||||
43,339 | 56,555 | 71,224 | 87,552 | 102,202 | 118,065 | 135,118 | 141,412 | 160,411 | 159,695 | 153,214 | 134,778 | 117,415 | 115,109 | 92,434 | 76,644 | 56,995 | 33,209 | 0 | 0 | 0 |
General and administrative expenses | ||||||||||||||||||||
23,085 | 28,609 | 34,180 | 39,466 | 35,553 | 42,652 | 62,142 | 71,906 | 81,961 | 75,271 | 54,608 | 45,721 | 40,574 | 57,462 | 53,756 | 56,518 | 55,864 | 27,858 | 0 | 0 | 0 |
Total operating expenses | ||||||||||||||||||||
66,424 | 85,164 | 105,404 | 127,018 | 137,755 | 160,717 | 197,260 | 213,318 | 242,372 | 234,966 | 207,822 | 180,499 | 157,989 | 172,571 | 146,190 | 133,162 | 112,859 | 61,067 | 0 | 0 | 0 |
Other (income) expenses: | ||||||||||||||||||||
Interest expense | ||||||||||||||||||||
5,659 | 6,499 | 7,118 | 7,530 | 7,651 | 7,695 | 7,641 | 7,545 | 6,845 | 4,895 | 3,017 | 1,143 | 0 | 0 | 0 | - | - | - | - | - | - |
Other (income) expense | ||||||||||||||||||||
7,122 | 6,506 | 7,381 | 5,616 | 260 | -368 | -814 | 211 | 0 | 0 | 0 | - | 0 | 0 | - | - | - | - | - | - | - |
Other income | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - | - | - | - | - |
Loss before income tax expense | ||||||||||||||||||||
-64,961 | -85,157 | -105,141 | -128,932 | -145,146 | -168,780 | -205,715 | -220,652 | -249,910 | -240,004 | -210,851 | -182,011 | -157,989 | -172,571 | -146,190 | -133,162 | -112,859 | -61,067 | 0 | 0 | 0 |
Income tax expense (benefit) | ||||||||||||||||||||
65 | 126 | 93 | 133 | 192 | 164 | -1,520 | 921 | -823 | -1,008 | 1,311 | -1,060 | -201 | 762 | 57 | -17 | 901 | 99 | 0 | 0 | 0 |
Net loss | ||||||||||||||||||||
-65,069 | -85,326 | -105,277 | -129,065 | -145,338 | -168,944 | -204,195 | -221,573 | -249,087 | -238,996 | -212,162 | -180,951 | -157,788 | -173,333 | -146,247 | -133,145 | -113,760 | -61,166 | 0 | 0 | 0 |
Comprehensive loss | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | 0 |
Net loss per common share — basic and diluted (in dollars per share) | ||||||||||||||||||||
-0.62 | -0.61 | -1.23 | 0.20 | -2.13 | -2.24 | -3.85 | -14.68 | -0.54 | -0.64 | -0.65 | -0.53 | -0.48 | -0.43 | -0.38 | -0.31 | -0.64 | -0.15 | -0.31 | -0.24 | -1.08 |
Weighted-average common shares outstanding - basic and diluted (in shares) | ||||||||||||||||||||
22,791 | 22,783 | 22,780 | 19,724 | 16,096 | 15,107 | 13,473 | -268,026 | 107,719 | 107,593 | 106,400 | 99,162 | 99,161 | 99,160 | 99,150 | 99,252 | 99,150 | 99,150 | 80,307 | 21,973 | 10,000 |
Research and development expenses | ||||||||||||||||||||
Costs allocated | ||||||||||||||||||||
0 | 0 | 3,069 | 450 | 0 | 0 | 0 | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
General and administrative expenses | ||||||||||||||||||||
Costs allocated | ||||||||||||||||||||
-229 | -900 | -1,624 | -2,898 | 0 | 0 | 0 | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - |