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Property and Equipment
9 Months Ended
Sep. 30, 2014
Property and Equipment  
Property and Equipment

 

4. Property and Equipment

 

Property and equipment consisted of the following:

                                                                                                                                                                                                              

 

 

September 30,
2014

 

December 31,
2013

 

Laboratory equipment

 

$

368,542

 

$

368,542

 

Office equipment

 

76,300

 

76,300

 

 

 

444,842

 

444,842

 

Less: accumulated depreciation and amortization

 

(436,299

)

(428,779

)

 

 

$

8,543

 

$

16,063

 

 

Depreciation and amortization expense was $2,507 and $7,520 for the three and nine months ended September 30, 2014 and $1,478 and $5,881 for the three and nine months ended September 30, 2013, respectively.