Note 8 - Property, Plant and Equipment (Detail) - Property, Plant and Equipment (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Property plant and equipment, gross	$ 22,810	$ 22,843
Less: accumulated depreciation	(4,310)	(4,089)
	18,500	18,754
PV Solar System [Member]
Property plant and equipment, gross	20,800	20,783
Plant and Machinery [Member]
Property plant and equipment, gross	33	33
Furniture and Fixtures [Member]
Property plant and equipment, gross	385	388
Computer Equipment [Member]
Property plant and equipment, gross	1,498	1,499
Trucks [Member]
Property plant and equipment, gross		44
Leasehold Improvements [Member]
Property plant and equipment, gross	$ 94	$ 96

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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