Inventories (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Raw materials and sub-assemblies	$ 15,268,000	$ 15,928,000
Work-in-process	2,495,000	2,299,000
Inventory, Gross	17,763,000	18,227,000
Less - Reserve for inventory valuation	(626,000)	(519,000)
Inventory, Net	$ 17,137,000	$ 17,708,000

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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