Note 5 - Property and Equipment (Detail) - Components of Property and Equipment (USD $)	Mar. 31, 2013	Dec. 31, 2012
Property and equipment, gross	$ 6,432,635	$ 4,068,575
Accumulated depreciation	(2,750,788)	(2,531,917)
Property and equipment, net	3,681,847	1,536,658
Other Machinery and Equipment [Member]
Property and equipment, gross	3,984,606	3,542,045
Leasehold Improvements [Member]
Property and equipment, gross	362,455	333,646
Computer Equipment [Member]
Property and equipment, gross	97,740	97,740
Office Equipment [Member]
Property and equipment, gross	95,144	95,144
Work-in-progress [Member]
Property and equipment, gross	$ 1,892,690	$ 0

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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