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Property And Equipment
6 Months Ended
Jun. 30, 2012
Property And Equipment [Abstract]  
Property And Equipment

5. Property and Equipment

Property and equipment consist of the following:

 

June 30,

December 31,

2012

2011

Equipment

$8,946,967

$8,977,623

Equipment held for lease

547,416

         547,416

Leasehold improvements

2,473,880

      2,473,880

 

11,968,263

    11,998,919

Less: Accumulated depreciation

(9,204,540)

   (8,675,063)

Net property and equipment

$2,763,723

$3,323,856