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3. Basis of Presentation and Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2013
BasisOfPresentationAndSignificantAccountingPoliciesTablesAbstract  
Property and Equipment
Equipment   3 – 5 years
Furniture and fixtures   5 years
Software   3 years
Leasehold improvements   Lesser of lease term or life of improvements