|
Component of Current Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Accrued Liabilities Abstract | ||
| Payroll and related expenses | $ 3,639 | $ 4,538 |
| Legal expenses | 338 | 396 |
| Third party research and development expenses | 2,403 | 3,207 |
| Other accrued liabilities | 1,786 | 1,922 |
| Total | $ 8,166 | $ 10,063 |