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Property and Equipment (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Property and Equipment    
Gross Property and Equipment $ 5,697,000 $ 5,947,000
Accumulated depreciation and amortization (3,944,000) (3,798,000)
Net Property and Equipment 1,753,000 2,149,000
Depreciation expense 658,000 748,000
Production tooling, machinery and equipment
   
Property and Equipment    
Gross Property and Equipment 3,826,000 3,923,000
Office furniture and fixtures
   
Property and Equipment    
Gross Property and Equipment 260,000 260,000
Computer equipment and software
   
Property and Equipment    
Gross Property and Equipment 896,000 1,085,000
Web development
   
Property and Equipment    
Gross Property and Equipment 65,000 38,000
Leasehold improvements
   
Property and Equipment    
Gross Property and Equipment 616,000 616,000
Construction in-progress
   
Property and Equipment    
Gross Property and Equipment $ 34,000 $ 25,000