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3. PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
May 31, 2014
Property Plant And Equipment Tables  
Schedule of property plant and equipment
    2014     2013  
Production machinery and equipment   $ 12,826,529     $ 10,717,493  
Building and land     4,663,339       4,663,339  
Leasehold improvements     203,034       203,034  
Furniture and fixtures     210,196       171,093  
      17,903,098       15,754,959  
                 
Less: Accumulated depreciation     (9,126,961 )     (8,710,820 )
                 
Net Property, Plant and Equipment   $ 8,776,137     $ 7,044,139