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Commitments and Contingencies - Future Minimum Lease Payments (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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|---|---|
| Commitments And Contingencies Disclosure [Abstract] | |
| 2014 | $ 217 |
| 2015 | 36 |
| Future Minimum Lease Payments, Total | $ 253 |