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Property and Equipment
12 Months Ended
Dec. 31, 2012
Notes to Financial Statements  
Property and Equipment
4.   Property and Equipment
 
Property and equipment consist of the following:
 
   
December 31,
 
Estimated
   
2011
   
2010
 
Useful Life
Computer software
 
$
230,299
   
$
191,665
 
5  years
Equipment
   
573,134
     
182,637
 
15  years
Office furniture and equipment
   
95,754
     
20,085
 
7 years
Computer hardware
   
            27,746
     
            27,746
 
5 years
Leasehold improvements
   
303,318
     
87,914
 
(a)
Total
   
1,230,251
     
510,047
   
Less: accumulated depreciation and amortization
   
(286,402
)
  
 
(189,719
)
 
Property and equipment, net
 
$
943,849
   
$
320,328
   
 
(a)  
  Lesser of useful life or initial term of lease 
 
Depreciation and amortization expense for the above assets for the years ended December 31, 2011 and 2010 was $96,683 and $98,636, respectively.