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Property, Plant and Equipment (Tables)
12 Months Ended
Jun. 30, 2012
Property Plant And Equipment Tables  
Summary of the original cost of property, plant and equipment
    2012     2011  
Land   $ 45,000     $ 45,000  
Building and improvements     4,189,908       4,104,132  
Machinery and equipment     7,458,075       7,352,055  
Furniture and fixtures     160,867       160,867  
      11,853,850       11,662,054  
Accumulated depreciation     (9,330,654 )     (8,959,040 )
Property, plant and equipment, net   $ 2,523,196     $ 2,703,014