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5. Furniture and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Furniture and equipment, gross $ 6,691us-gaap_PropertyPlantAndEquipmentGross $ 5,868us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation and amortization (5,530)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (5,102)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Furniture and equipment, net 1,161us-gaap_PropertyPlantAndEquipmentNet 766us-gaap_PropertyPlantAndEquipmentNet
Furniture and Fixtures [Member]    
Furniture and equipment, gross 1,396us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
1,141us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Computer and Telephone Equipment [Member]    
Furniture and equipment, gross 4,424us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
4,094us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Leasehold Improvements [Member]    
Furniture and equipment, gross $ 871us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 633us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember