Note 5 - Property and Equipment (Detail) - Property and equipment (USD $)	Dec. 31, 2012	Dec. 31, 2011
Buildings	$ 355,000	$ 355,000
Machinery and equipment	9,462,000	8,968,000
Office furniture and equipment	962,000	938,000
Leasehold improvements	441,000	441,000
	11,220,000	10,702,000
Less accumulated depreciation and amortization	(7,801,000)	(7,066,000)
	$ 3,419,000	$ 3,636,000

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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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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