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3. Inventories
12 Months Ended
Jun. 30, 2013
Notes to Financial Statements  
Inventories
    June 30,  
    2013     2012  
             
Finished goods   $ 24,592     $ 26,027  
Work in progress     310,836       200,939  
Raw materials     886,516       554,071  
    $ 1,221,944     $ 781,037