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Property and Equipment
3 Months Ended
Mar. 31, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
 
The net carrying value of property and equipment was as follows:
 
March 31, 2014
 
December 31, 2013
Furniture and fixtures
$
67,341

 
$
67,341

Equipment
2,552,787

 
2,547,686

Software
8,194,304

 
8,020,982

Leasehold improvements
66,903

 
66,903

Subtotal
10,881,335

 
10,702,912

Less: accumulated depreciation and amortization
(9,799,591
)
 
(9,514,346
)
Total
$
1,081,744

 
$
1,188,566



During the three months ended March 31, 2014 and 2013, depreciation expense was $255,972 and $705,467.