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Note 6 - Property, Plant and Equipment (Detail) (USD $)	3 Months Ended
Note 6 - Property, Plant and Equipment (Detail) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Property, Plant and Equipment, Net	$ 5,553,000		$ 4,076,000
Depreciation	205,000	250,000
Held and Not Used [Member]
Property, Plant and Equipment, Net	$ 1,811,000		$ 1,857,000

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

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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