Note 2 - Summary of Significant Accounting Policies (Detail) - Property and Equipment (USD $)	Dec. 31, 2012	Dec. 31, 2011
Property and equipment, gross	$ 532,290	$ 532,290
Accumulated depreciation and amortization	(429,804)	(356,084)
Property and equipment, net	102,486	176,206
Laboratory Equipment [Member]
Property and equipment, gross	388,000	388,000
Leasehold Improvements [Member]
Property and equipment, gross	115,605	115,605
Other Furniture, Fixtures and Equipment [Member]
Property and equipment, gross	$ 28,685	$ 28,685

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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