Property and Equipment, Net (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Depreciation and Amortization Expense [Abstract]      
Depreciation and Amortization Expense $ 900,000 $ 900,000 $ 1,000,000
Property and Equipment, Net [Abstract]      
Furniture and Equipment 2,792,000 2,790,000  
Computer Systems and Equipment 10,094,000 9,462,000  
Leasehold Improvements 919,000 620,000  
Total Property and Equipment 13,805,000 12,872,000  
Accumulated Depreciation and Amortization (11,540,000) (10,902,000)  
Property and equipment, Net, Total $ 2,265,000 $ 1,970,000  
Furniture and Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives P7Y    
Computer Systems and Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives P3Y    
Computer Systems and Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives P5Y    
Leasehold Improvements [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives Shorter of estimated useful life or remaining lease term