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Summary of Significant Accounting Policies (Details 2) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Property, Plant and Equipment          
Gross Property and Equipment $ 6,075,000   $ 6,075,000   $ 5,947,000
Accumulated depreciation and amortization (4,204,000)   (4,204,000)   (3,798,000)
Net Property and Equipment 1,871,000   1,871,000   2,149,000
Depreciation expense 158,000 183,000 506,000 550,000  
Production tooling, machinery and equipment
         
Property, Plant and Equipment          
Gross Property and Equipment 3,865,000   3,865,000   3,923,000
Office furniture and fixtures
         
Property, Plant and Equipment          
Gross Property and Equipment 260,000   260,000   260,000
Computer equipment and software
         
Property, Plant and Equipment          
Gross Property and Equipment 1,257,000   1,257,000   1,085,000
Web site
         
Property, Plant and Equipment          
Gross Property and Equipment 25,000   25,000   38,000
Leasehold improvements
         
Property, Plant and Equipment          
Gross Property and Equipment 616,000   616,000   616,000
Construction in-progress
         
Property, Plant and Equipment          
Gross Property and Equipment $ 52,000   $ 52,000   $ 25,000