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PROPERTY, EQUIPMENT and LEASEHOLD IMPROVEMENTS
12 Months Ended
Dec. 31, 2012
PROPERTY, EQUIPMENT and LEASEHOLD IMPROVEMENTS [Abstract]  
PROPERTY, EQUIPMENT and LEASEHOLD IMPROVEMENTS
NOTE 8.
PROPERTY, EQUIPMENT and LEASEHOLD IMPROVEMENTS

Property, equipment and leasehold improvements, net, consisted of the following at December 31:

Property, equipment and leasehold improvements
 
2012
  
2011
 
Laboratory equipment
 $424,888  $424,888 
Manufacturing equipment
  1,547,572   1,483,223 
Computers, office equipment, and furniture
  140,360   140,360 
Computer software
  4,108   4,108 
Leasehold improvements
  95,841   95,841 
    2,212,769   2,148,420 
Less: accumulated depreciation and amortization
  (1,367,234)  (1,075,960)
Property, equipment and leasehold improvements, net
 $845,535  $1,072,460 

Depreciation expense on property, equipment, and leasehold improvements was $291,274 and $303,024 for the years ended December 31, 2012 and 2011, respectively.