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6. Inventories (Details) (USD $)
Mar. 31, 2014
Jun. 30, 2013
Inventories Details    
Raw materials $ 1,507,700 $ 1,336,800
Work-in-process 504,600 254,000
Finished goods 237,000 114,800
Inventory $ 2,249,300 $ 1,705,600