|
Fair Value Measurements (Details) (USD $)
|
12 Months Ended |
|
|
Dec. 31, 2014
item
|
Dec. 31, 2013
|
| Assets |
|
|
| Cash |
$ 28,518,000 |
|
| Liabilities |
|
|
| Warrant liability |
|
1,945,000 |
| Number of work statements executed with the Nordic Work Statements |
3 |
|
| Cash |
|
|
| Assets |
|
|
| Cash |
1,519,000 |
|
| Money market |
|
|
| Assets |
|
|
| Cash |
23,994,000 |
|
| Domestic corporate debt securities |
|
|
| Assets |
|
|
| Cash |
3,005,000 |
|
| Recurring basis | Level 1 |
|
|
| Assets |
|
|
| Cash |
25,513,000 |
|
| Assets fair value |
|
12,303,000 |
| Recurring basis | Level 1 | Cash |
|
|
| Assets |
|
|
| Cash |
1,519,000 |
2,710,000 |
| Recurring basis | Level 1 | Money market |
|
|
| Assets |
|
|
| Money Market Funds |
23,994,000 |
9,593,000 |
| Recurring basis | Level 2 |
|
|
| Assets |
|
|
| Cash |
3,005,000 |
|
| Marketable securities |
76,758,000 |
|
| Recurring basis | Level 2 | Domestic corporate debt securities |
|
|
| Assets |
|
|
| Marketable securities |
69,509,000 |
|
| Recurring basis | Level 2 | Domestic corporate commercial paper |
|
|
| Assets |
|
|
| Money Market Funds |
3,005,000 |
|
| Marketable securities |
7,249,000 |
|
| Recurring basis | Level 3 |
|
|
| Liabilities |
|
|
| Warrant liability |
|
1,945,000 |
| Stock liability |
|
5,328,000 |
| Total liabilities carried at fair value |
|
7,273,000 |
| Recurring basis | Estimated Fair Value |
|
|
| Assets |
|
|
| Cash |
28,518,000 |
|
| Marketable securities |
76,758,000 |
|
| Assets fair value |
|
12,303,000 |
| Liabilities |
|
|
| Warrant liability |
|
1,945,000 |
| Stock liability |
|
5,328,000 |
| Total liabilities carried at fair value |
|
7,273,000 |
| Recurring basis | Estimated Fair Value | Cash |
|
|
| Assets |
|
|
| Cash |
1,519,000 |
2,710,000 |
| Recurring basis | Estimated Fair Value | Money market |
|
|
| Assets |
|
|
| Money Market Funds |
23,994,000 |
9,593,000 |
| Recurring basis | Estimated Fair Value | Domestic corporate debt securities |
|
|
| Assets |
|
|
| Marketable securities |
69,509,000 |
|
| Recurring basis | Estimated Fair Value | Domestic corporate commercial paper |
|
|
| Assets |
|
|
| Money Market Funds |
3,005,000 |
|
| Marketable securities |
$ 7,249,000 |
|