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Sales Classified by Product Category (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Revenues [Line Items]        
Sales of Products $ 566,495 $ 991,134 $ 2,071,122 $ 2,358,223
Sale of Services 190,000 250,000 446,100 559,606
Total 756,495 1,241,134 2,517,222 2,917,829
Consumer Video Eyewear
       
Revenues [Line Items]        
Sales of Products 566,495 991,134 2,071,122 2,358,223
Engineering Services
       
Revenues [Line Items]        
Sale of Services $ 190,000 $ 250,000 $ 446,100 $ 559,606