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5. Inventories (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011
Inventories Details
Raw materials	$ 1,146,800	$ 1,051,300
Work-in-process	221,900	408,200
Finished goods	245,000	180,300
Inventory	$ 1,613,700	$ 1,639,800

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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