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Property And Equipment
9 Months Ended
Sep. 30, 2012
Property And Equipment [Abstract]  
Property And Equipment

5. Property and Equipment 

Property and equipment consist of the following:

 

 

 

 

 

 

September  30,

 

December 31,

 

2012

 

2011

 

 

 

 

Equipment

$
8,964,059 

 

$
8,977,623 

Equipment held for lease

303,411 

 

547,416 

Leasehold improvements

2,473,881 

 

2,473,880 

 

11,741,351 

 

11,998,919 

Less: Accumulated depreciation

(9,280,998)

 

(8,675,063)

Net property and equipment

$
2,460,353 

 

$
3,323,856