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4. Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2012
Property And Equipment Tables  
Schedule of property and equipment
    December 31,  
    2012     2011  
Office equipment   $ 91,288     $ 75,685  
Furniture and fixtures     16,128       15,589  
Machinery and equipment     49,986       49,986  
Testing equipment     147,312       147,312  
Subtotal     304,714       288,572  
Less accumulated depreciation     (249,040 )     (212,963 )
Total   $ 55,674     $ 75,609