| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | - | - | - |
Operating expenses: | ||||||||||||||||||||
General and administrative | ||||||||||||||||||||
23,529 | 22,327 | 18,967 | 19,036 | 19,063 | 20,045 | 22,032 | 20,791 | 19,542 | 15,503 | 10,729 | 7,374 | 4,115 | 3,299 | 2,689 | 2,018 | 1,596 | 1,224 | 0 | 0 | 0 |
Research and development | ||||||||||||||||||||
25,300 | 24,961 | 23,451 | 22,297 | 19,920 | 17,253 | 15,037 | 12,924 | 11,094 | 9,646 | 8,431 | 7,059 | 6,359 | 5,622 | 4,924 | 4,030 | 3,147 | 2,578 | 0 | 0 | 0 |
Amortization of intangible assets | ||||||||||||||||||||
665 | 666 | 665 | 665 | 666 | 665 | 665 | 665 | 665 | 665 | 666 | 666 | 665 | 665 | 665 | 666 | 666 | 666 | 0 | 0 | 0 |
Total operating expenses | ||||||||||||||||||||
49,494 | 47,954 | 43,083 | 41,998 | 39,649 | 37,963 | 37,734 | 34,380 | 31,301 | 25,814 | 19,826 | 15,099 | 11,139 | 9,586 | 8,278 | 6,714 | 5,409 | 4,468 | 0 | 0 | 0 |
Other income: | ||||||||||||||||||||
Interest income | ||||||||||||||||||||
729 | 983 | 975 | 875 | 722 | 446 | 439 | 360 | 264 | 247 | 153 | 145 | 107 | 68 | 0 | 0 | 0 | - | - | - | - |
Other | ||||||||||||||||||||
- | - | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Total other income | ||||||||||||||||||||
729 | 983 | 947 | 847 | 694 | 418 | 439 | 360 | 264 | 247 | 153 | 145 | 107 | 68 | 0 | 0 | 0 | - | - | - | - |
Loss from operations, before income taxes | ||||||||||||||||||||
- | -46,971 | -42,136 | -41,151 | - | -37,545 | -37,295 | -34,020 | -31,037 | -25,567 | -19,673 | -14,954 | -11,032 | -9,518 | -8,244 | -6,711 | -5,409 | -4,468 | 0 | 0 | 0 |
Income tax benefit | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -1,358 | -1,657 | 0 | 0 | 0 |
Net loss | ||||||||||||||||||||
-48,765 | -46,971 | -42,136 | -41,151 | -38,955 | -37,545 | -37,295 | -34,020 | -31,037 | -25,567 | -19,673 | -14,954 | -11,032 | -9,518 | -7,726 | -5,710 | -4,051 | -2,811 | 0 | 0 | 0 |
Other comprehensive loss: | ||||||||||||||||||||
Unrealized gain on available-for-sale securities | ||||||||||||||||||||
15 | 5 | 11 | 22 | 5 | 50 | -1 | 6 | 6 | -44 | 6 | -6 | 0 | 0 | 0 | - | 0 | - | - | - | - |
Comprehensive loss | ||||||||||||||||||||
-48,750 | -46,966 | -42,125 | -41,129 | -38,950 | -37,495 | -37,296 | -34,014 | -31,031 | -25,611 | -19,667 | -14,960 | -11,041 | -9,525 | -7,734 | -5,710 | -4,051 | -2,811 | 0 | 0 | 0 |
Net loss per share: | ||||||||||||||||||||
Basic and diluted net loss per share | ||||||||||||||||||||
-0.57 | -0.66 | -0.57 | -0.55 | -0.49 | -0.51 | -0.64 | -0.54 | -0.51 | -0.53 | -0.52 | -0.43 | -0.23 | -0.21 | -0.21 | -0.23 | -0.22 | -0.13 | -0.10 | -0.08 | -0.06 |
Weighted average shares used to compute net loss per common share - basic and diluted | ||||||||||||||||||||
20,838 | 20,799 | 20,774 | 20,728 | 20,679 | 17,656 | 16,927 | 16,881 | 16,842 | 16,574 | 14,381 | 14,233 | 13,803 | 13,315 | 13,315 | 9,791 | 7,565 | 7,565 | 7,565 | 7,565 | 7,565 |