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Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment are comprised of the following:
 
 
 
June 30,
 
December 31,
 
 
 
2013
 
2012
 
Computer hardware and purchased software
 
$
296,900
 
$
281,846
 
Leasehold improvements
 
 
221,666
 
 
220,166
 
Furniture and fixtures
 
 
88,321
 
 
88,322
 
 
 
 
606,887
 
 
590,334
 
Less: accumulated depreciation and amortization
 
 
(544,319)
 
 
(532,205)
 
Property and equipment, net
 
$
62,568
 
$
58,129