The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Equipment (Details) (USD $)	12 Months Ended
Equipment (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Equipment [Abstract]
Equipment, gross	$ 5,128,000	$ 4,719,000
Less accumulated depreciation and amortization	(3,476,000)	(3,409,000)
Equipment, net	1,652,000	1,310,000
Disposals of fully depreciated assets	322,000	250,000
Depreciation	471,000	466,000	492,000
Machinery and equipment [Member]
Equipment [Abstract]
Equipment, gross	3,496,000	3,130,000
Machinery and equipment [Member] \| Minimum [Member]
Equipment [Abstract]
Estimated Useful Life	3 years
Machinery and equipment [Member] \| Maximum [Member]
Equipment [Abstract]
Estimated Useful Life	10 years
Computer and software [Member]
Equipment [Abstract]
Equipment, gross	864,000	779,000
Computer and software [Member] \| Minimum [Member]
Equipment [Abstract]
Estimated Useful Life	2 years
Computer and software [Member] \| Maximum [Member]
Equipment [Abstract]
Estimated Useful Life	5 years
Office equipment [Member]
Equipment [Abstract]
Equipment, gross	563,000	605,000
Office equipment [Member] \| Minimum [Member]
Equipment [Abstract]
Estimated Useful Life	5 years
Office equipment [Member] \| Maximum [Member]
Equipment [Abstract]
Estimated Useful Life	10 years
Leasehold improvements [Member]
Equipment [Abstract]
Equipment, gross	$ 205,000	$ 205,000
Estimated Useful Life	5 years