|
Condensed Statements of Operations and Comprehensive Loss (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Operating expenses: | |||
| Research and development | $ 25,302 | $ 16,014 | $ 7,998 |
| General and administrative | 10,922 | 6,745 | 2,206 |
| Total operating expenses | 36,224 | 22,759 | 10,204 |
| Loss from operations | (36,224) | (22,759) | (10,204) |
| Interest expense. | (270) | (936) | (1,486) |
| Change in fair value of warrant liability | (2,587) | 32 | |
| Other income (expense), net | 119 | 194 | (84) |
| Net loss | (36,375) | (26,088) | (11,742) |
| Net loss per common share (basic and diluted) (in dollars per share) | $ (2.22) | $ (3.31) | $ (36.31) |
| Weighted-average shares outstanding (basic and diluted) | 16,374,102 | 7,885,921 | 323,382 |
| Other comprehensive loss: | |||
| Unrealized loss on investments | (56) | (3) | |
| Total comprehensive loss | $ (36,431) | $ (26,091) | $ (11,742) |