Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Summary of Future Minimum Lease Payments (Detail)

v2.4.1.9
Commitments and Contingencies - Summary of Future Minimum Lease Payments (Detail) (Bothell, Washington, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Bothell, Washington
 
Operating Leased Assets [Line Items]  
2015 $ 386us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
/ us-gaap_StatementGeographicalAxis
= stpr_WA
Total $ 386us-gaap_OperatingLeasesFutureMinimumPaymentsDue
/ us-gaap_StatementGeographicalAxis
= stpr_WA