Composition of Certain Balance Sheet Items (Other Accrued Liabilities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Composition of Certain Balance Sheet Items [Abstract] | ||
| Government rebates | $ 1,663 | $ 275 |
| Accrued compensation | 1,103 | 564 |
| Commercialization costs | 111 | 556 |
| Professional fees | 220 | 330 |
| Legal fees | 69 | 120 |
| Other | 91 | 31 |
| Total Accrued Liabilities Current | $ 3,257 | $ 1,876 |