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Equipment
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Equipment

Equipment consists of the following at December 31:

 

    2011     2012    

Estimated

Useful lives

in years

 
Computer hardware and software   $ 187,349     $ 190,339       3  
Machinery and equipment     257,782       254,533       5  
Molds, tools and dies     42,460       42,460       5  
Office furniture and fixtures     29,520       44,138       5  
      517,111       531,470          
Accumulated depreciation and amortization     (496,943 )     (505,425 )        
Equipment and leasehold improvements, net   $ 20,168     $ 26,045          
                         
Depreciation expense for year ended   $ 23,546     $ 14,082          

 

In 2011, the Company determined that certain of its fully depreciated fixed assets were no longer in service and removed them from its accounting records.  There was no effect on the Company’s financial position or results of operations.