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