Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Summary of Future Minimum Lease Payments if Company is Unable to Exit or Sublet Portions (Detail)

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Commitments and Contingencies - Summary of Future Minimum Lease Payments if Company is Unable to Exit or Sublet Portions (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Operating Leased Assets [Line Items]  
2014 $ 25
2015 75
Total 100
Unable to exit or sublet portions of leased space [Member]
 
Operating Leased Assets [Line Items]  
2014 561
2015 2,313
2016 2,382
Remainder 2,454
Total $ 7,710