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6. Property and Equipment
12 Months Ended
Jun. 30, 2012
Property, Plant and Equipment [Abstract]  
6. Property and Equipment

Useful Lives      
(Years)  2012  2011
           
Automobiles                                       5  $14,900   $21,000 
Computer equipment                          3-5   125,600    123,400 
Machinery and equipment                  3-7   602,500    542,800 
Furniture and fixtures                         4-10   183,200    172,500 
Leasehold improvements                   3-5   66,900    64,100 
           
    993,100    923,800 
Less accumulated depreciation and amortization   812,600    748,700 
           
   $180,500   $175,100 

 

Depreciation expense was $70,000 and $77,000 for the years ended June 30, 2012 and 2011, respectively.