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6. Inventories (Details) (USD $)
Sep. 30, 2014
Jun. 30, 2014
Inventories Details    
Raw materials $ 1,580,500 $ 1,617,100
Work-in-process 345,100 366,200
Finished goods 357,300 325,900
Inventory $ 2,282,900 $ 2,309,200