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Fixed Assets
12 Months Ended
Dec. 31, 2015
Fixed Assets [Abstract]  
Fixed Assets

(3) Fixed Assets

Depreciation and amortization expense for the periods ending December 31, 2015, 2014 and 2013 was $140,170, $31,824 and $45,212. Fixed assets and their estimated useful lives as of December 31, 2015 and 2014 are as follows:

  2015     2014   Estimated useful life  
Equipment and furniture $ 1,375,911     $ 1,362,308     5 years  
Trade show materials 775,654 502,789  5 years
                  Life of lease or estimated  
Leasehold Improvements   581,902       552,185     life of asset if shorter  
    2,733,467       2,417,282        
   
Less accumulated depreciation                    
and amortization   (1,897,251 )     (1,757,081 )      
  $ 836,216     $ 660,201