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6. Inventories (Details) (USD $)
Mar. 31, 2015
Jun. 30, 2014
Inventories Details    
Raw Materials $ 1,476,700us-gaap_InventoryRawMaterialsNetOfReserves $ 1,617,100us-gaap_InventoryRawMaterialsNetOfReserves
Work in process 815,200us-gaap_InventoryWorkInProcessNetOfReserves 366,200us-gaap_InventoryWorkInProcessNetOfReserves
Finished Goods 329,400us-gaap_InventoryFinishedGoodsNetOfReserves 325,900us-gaap_InventoryFinishedGoodsNetOfReserves
Inventory $ 2,621,300us-gaap_InventoryNet $ 2,309,200us-gaap_InventoryNet